Syndent Long Die Grinder Bits Manufacturing Expert
- Leading manufacturer of long die grinder bits over 11 years.
- 41 sets of advanced CNC machine promise fast delivery
- Brazing with silver material upon USA technology
- Quality guarantee policy ensures your business risk-free
Syndent Long Die Grinder Bits
Syndent long die grinder bits allow you to work perfectly on material surfaces where other bits cannot reach.
We manufacture the long die grinder bits for various field uses. Situated in China, Syndent persistently manufactures professional and durable long die grinder bits.
We own more than 40 sets 6 axis computerized CNC equipment and close to 50 highly experienced employees.
Therefore we guarantee you most reliable, efficient and sharp long die grinder bits to complete all your project requirements.
Cylinder long die grinder bits are ideal for contour finishing, flat surface removal.
Cylinder with end cut long die grinder bits are suitable for removal contour and right-angled corners
Cylinder with radius end long die grinder bits are suitable for processing contour and arc surface at a certain angle
Ball shape long die grinder bits are good for machining round edge and end pre-processing before brazing
Tree with radius end long die grinder bits are perfect for grinding round edge in long and narrow positions
Tree with pointed end long die grinder bits are used for machining round arc contour in long and narrow places
Cone shape long die grinder bits function like a countersink. Suitable for chamfering inner hole
Taper with radius end long die grinder bits are widely used for round contour removal in narrow positions, and surface machining
Taper with pointed end long die grinder bits are suitable for narrow position deburring and counter surface machining
Inverted cone long die grinder bits are suitable for rear-side chamfering from the inner side.
Why Syndent Long Die Grinder Bits
You can effectually use Syndent long die grinder bits for chamfering, drilling, cutting, shaping, grinding, finishing and more. You can guide our long die grinder bits in finishing, engraving, carving, deburring, machining, etc.
Our long die grinder bits can help you in grinding and shaping materials like copper, etc. You can extend the uses on aluminum, zirconia, cast iron, steel, hardened steel, wood, plastics, bone, drywall, etc.
Syndent long die grinder bits can provide you with productive functions in cylinder head porting, model engineering, etc.
Also, you can successfully use our long die grinder bits in jewelry making, welding, metalwork, wood carving and engraving, tool making and engineering. You can manage lasting cuts on various materials with high precision.
Syndent can helpfully meet your required delivery speeds regardless of the state of your budget. Whether you have a stable source or limited one, Syndent can independently do a research and develop and increase the CNC equipment.
We can therefore maximize our development capacity accordingly and dispatch to you long die grinder bits on time. We guarantee to take care of your delivery speed concerns.
- Manufacturing
- Testing
- Catalog
- Send Inquiry
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Syndent will check the raw material specifications of long die grinder bits before production.

Syndent automatically brazes long die grinder bits with silver in a low temperature.

We must make the jumping test on long die grinder bits after brazing. The tolerance is less than 0.1mm

Syndent examines the shank hardness of the long die grinder bits after brazing, and tests the bending strength

Solid long die grinder bits need a shaping process from the carbide rod materials

Syndent CNC grinds the long die grinder bits teeth after the tests approved

Syndent polishes the long die grinder bits shaft, and its brazing position

Syndent makes your logo on the long die grinder bits, and stick your own label on the case.
Testing
Catalog
Send Inquiry
Shipping
Your Best Supplier of Long Die Grinder Bits
Syndent can sufficiently make deliveries of sharp and long-lasting long die grinder bits at affordable cost. We balance both durable long die grinder bits with affordable cost to enable you to do your tasks efficiently.
Syndent regularly inspects and checks our equipment performance and make necessary adjustments. After running for a period of time, we check and replace needed parts to keep up with the latest technology. Based on high requirements for Syndent long die grinder bits precision, we make regular checks. This is to guarantee accurate measurement results.
Syndent tests processing equipment accuracy for our long bits production. In case the error value exceeds our control standard, Syndent promptly replaces the equipment corresponding to parts. This ensures that we deliver to you long die grinder bits with consistent quality.
Syndent earnestly provides you with a lifetime warranty on our long die grinder bits. In case Syndent die grinder bits develop quality issues, we freely and quickly replace them for you.
Therefore you concentrate mainly on developing your local customer base and gain a greater market share. We promise to handle all your issues regarding die grinder bits satisfactorily.
Other than Syndent long die grinder bits, we have a line of quality durable and sharp cutting tools. Syndent professionally makes die grinder bits for stainless steel, die grinder stone bits, etc.
To receive an instant quotation for your long die grinder bits, contact us now!
Long Die Grinder Bits – Ultimate FAQ Guide
Are you searching for Long Die Grinder Bits?
Syndent is one of the leading suppliers and manufacturing companies of long-sized bits. We design the long shank bits for narrow positions where standard rotary files are difficult to reach.
Bits are also called rotary tools, burrs, or files. Syndent long die grinder bits are used for grinding, deburring, finishing metal, steel, and many other materials.
Let’s discuss a detailed overview of the manufacturing process, shapes, and uses of long die grinder bits.
What Are Long Die Grinder Bits?
Syndent manufactures long die grinder bits with tungsten carbide raw material. These burrs are manufactured with extra-long shank.
You can get long die grinder bits in a wide variety of sizes, shapes, and flutes. The long shanks are available in variable sizes.
The shank size ranges from 3 inches (75mm) to 12 inches (300mm). The most common size available in die grinder bits is 6 inches.
Syndent invests high cost on the quality control of long die grinder bits. These bits are manufactured with high-grade raw material. Therefore, bits are rugged, resistant, and durable.
You can also get customized long die grinder bits. You can use the bits on metal-related materials. It is commonly used in cutting, deburring and grinding, etc.
What is the Production Process of Long Die Grinder Bits?
Syndent uses the highest graded tungsten carbide as raw material in the manufacturing process of your long die grinder bits. An exceptional quality check team inspects and ensures the quality of the material.
The production process includes:
- Material Selection
- Brazing
- Balancing
- Bending
- Shaping
- Toothing
- Polishing
- Packaging
Material Selection
The first step of production is to select high-quality raw materials. Syndent gets raw material from top-graded suppliers.
We use tungsten carbide for the head of the bit and hard steel for the shank.
Our quality inspection team checks that the raw material should meet international standards.
Brazing
After material evaluation, the long die grinder bits are brazed.
Syndent uses silver for brazing the long die grinder bits. Silver is used at a very low temperature.
Balancing
Before shaping the bits, a balancing test is performed on each long die grinder bit. Long die grinder bits need a specific balance to work smoothly.
Syndent assures that the tolerance level does not exceed 0.1mm.
Bending
After the required balance of long die grinder bits, Syndent applies another test: the bending test.
Long die grinder burrs are bent to a specific level to check and ensure the flexibility level. This test is conducted to ensure that you can work efficiently on more surfaces without any damage.
We test bending to check the strength level.
Shaping
After the bending test, long die grinder bits require shaping. Syndent uses advanced CNC machines to shape the bits.
Toothing
After shaping the long die grinder bits per requirement, we give our bits unique teeth called flutes.
We grind the bits to make flutes through advanced machines. The teeth are made sharp to provide you with carbide burrs that work efficiently and smoothly.
Polishing
After toothing, we polish the long die grinder bits to give a fine and smooth finishing.
Packaging
Syndent marks logos and labels on long die grinder bits in the packaging process.
How Can Long Die Grinder Bits Be Used?
Long die grinder bits are specially designed for long narrow spaces where standard rotary tools cannot reach. You can use the bits in different functions like:
Shaping
Long shank die grinder bits can shape heavy metals easily. Syndent designs different flute shapes so you can shape your material conveniently.
Deburring
Deburring means removing excess material from a metal or a surface. It is used to modify a material.
Deburring removes unwanted material left after cutting, to make smooth looking workpiece.
Cutting
Syndent designs long die grinder bits with unique flutes that are used on various materials. The flues are very sharp like blades and easily cut any material.
The ideal die grinder bits make your cutting job very simple and help to save time.
Grinding
Other than cutting, long die grinder bits grind hard to reach areas or narrow ends of your workpiece. Grinding non-ferrous heavy material requires a high-performing tool that does not break easily.
Syndent manufactures long die grinder bits with high-quality raw materials with robust features and cannot break easily.
With sharp flutes of die grinder bits for metal, your grinding becomes an easy task.
Enlarging Holes
Some industries require drilling and enlarging holes. Syndent long die grinder bits can drill any material, make holes or enlarge holes in your desired form.
You can use the bits on different materials like hardened steel, cast iron, etc. The long die grinder bits easily reach narrow areas.
Which Tools Can Freely Be Used with Long Die Grinder Bits?
Ideally, Syndent manufactures long die grinder bits with standard diameter shanks that fit most rotary tools. Long die grinder burrs are freely used with automated tools like die grinders.
Long shank carbide burrs work efficiently when paired with a die grinder machine as it revolves at a very high speed.
Other than the die grinder machine, Syndent long die grinder bits fit perfectly in pneumatic rotary tools, high-speed engravers, drill machines, and micromotors.
Whichever tool you choose, make sure to fit the bits in the machine correctly. Loose bits in the collet may end up in severe accidents and injuries.
Can Long Die Grinder Bits Cut Stone?
Yes, Syndent manufactures long die grinder bits with extreme strength, high density, and hardness to cut stones easily.
These bits perform their best in carving, shaping, and engraving stone and other materials.
Syndent’s long die grinder bits work efficiently, and you get fine finishing of a material. A hard material like stone requires a robust tool with excellent user control like solid carbide burrs.
With the use of long shank burrs, carving, cutting, and grinding becomes an easy task.
Syndent manufactures die grinder burrs under strict process to meet international standards. Therefore, these bits are great for cutting stone, glass, bone, drilling walls, etc
Can Long Die Grinder Bits Cut Glass and Bones?
Yes, long die grinder bits can cut glass, stone, carbon fiber, bone, fiber cement, etc. The bits can shape, deburr, and grind your glass quickly.
Syndent specially designs quality fiberglass router bit to use on glass for excellent results. With the use of long die grinder bits, you can cut tight and hard-to-reach areas.
Among others, long die grinder burrs include bone cutting, shaping, carving, engraving, etc. Syndent’s die grinder bits feature a unique geometry and are cost-effective.
The bits remove debris from bones, wood, and any other material.
Does Long Die Grinder Bits Shape Wood or Not?
Long die grinder bits can shape and carve wood. Especially with difficult areas to reach, long shank bits are the only solution. Syndent manufactures tools having different cutting styles to cut and reshape wood in any form.
Syndent’s bits cut knots and grains on wood quickly. Syndent’s die grinder bits for wood carving resemble diamond cut. We recommend these bits for wood and materials like glass, stone, bone, FRP, etc.
It gives smooth finishing and prepares the wood surface for polishing. Industries dealing with woodwork can use these bits for excellent results in their daily tasks.
Which Materials Can Be Cut with Long Die Grinder Bits?
Syndent’s long die grinder bits are manufactured in various sizes and shapes to perform multiple functions. These bits are used for cutting glass, bone, hardwood, stone, etc.
Other materials that a burr can cut are:
- Aluminum
- Glass
- Wood
- Bones
- Ceramic
- Drywall
- GRP
- Cast Iron
- Porcelain
- FRP
- Steel
- Gold
- Hardened steel
- Brass
Which Industries Can Use Long Die Grinder Bits?
Many production industries that deal with metal, wood, steel, and other materials to work on specific tasks can benefit from Syndent’s long die grinder bits.
We manufacture bits for international and local users.
The industries that mostly use our product include:
- Engineers
- Dentists
- Welders
- Mechanics
- Electricians
- Model engineers
- Sculptors
- Tool makers
- Machinists
- Carves
- Engravers
Long Die Grinder Bits Are Beneficial for Whom?
A wide range of industries use and get benefits from long die grinder bits. Syndent’s bits can be used in regular maintenance services.
- Tool making
- Construction
- Dentistry
- Grinding
- Jewelry making
- Dentistry
- Cylinder head porting
- Carving
- Engraving
- Chamfering
- Machining
- Sculpture making
Can I Use Long Die Grinder Bits for Drilling?
Yes, Syndent’s long die grinder burrs have long shank with different flute types. Our ideal bits offer an option for drilling the materials. You can change bits and apply the right one for the required job.
A single-cut long die grinder bit provides the proper cut and removes material. It means if you choose bits with a long shank, they can drill in materials quickly.
You can drill in hardwood, cast iron, plastic, bones, stone, drywall, etc. Syndent’s rotary file bits are manufactured with different head diameters to guide in-depth or width of the material.
We recommend that you choose a standard rotary file for drilling than a long shank bit. A regular rotary file gives better results for drilling than a long shank die grinder bit.
How Many Cuts Are Available in Long Die Grinder Bits?
Syndent offers three popular cuts in long die grinder bits. The single-cut long burrs, double-cut bits, and aluminum cut rotary files.
Single Cut Long Die Grinder Bits
Single cut die grinder bit has unique spiral flutes. They are used to cut particular materials in the required shape.
They drill more profound in the material and remove extra material aggressively. These bits are used on cast iron, hardened steel, stone, hardwood, copper, etc.
Other uses include:
- Creating long chips
- Deburring
- Cleaning
- Milling
- Heavy stock removal
Double Cut Long Die Grinder Bits
Double cut bits are used on hard metals and hard materials in many industries. Small chips are removed with long die grinder bits to give a smooth finishing and quick results.
Syndent’s long die grinder bits are used on ferrous and non-ferrous metals. The bits have a natural capacity of high-speed rotation, so it cuts precisely and faster.
You can use long die grinder bits for:
- Grinding
- Deburring
- Cleaning
- Polishing
- Remove minor chips
- Smooth finishing
Aluminum Cut Die Grinder Bits
Syndent manufactures and designs aluminum cut to shape or grind aluminum and all non-metallic and non-ferrous materials. Aluminum cut burrs are commonly used by mechanics, machinists, and hobbyists.
These bits remove heavy stock quickly and are used for deburring and polishing different materials.
These are also used for
- Rapid stock removal
- For grinding tight place
- Used for deburring and polishing
What Pressure is Suitable for Long Die Grinder Bit?
Long die grinder bits usually work on low pressure on any given material. Syndent manufactures long die grinder burrs to reduce the burden of extra stress.
These bits rotate faster and need simple action to work. They don’t need much force to work with as these bits can spin quickly.
Therefore, to make a long die grinder bit durable and long life, apply slight pressure on the bit.
Unnecessary pressure may cause the burr to wobble, and vibration creates an adverse effect on the grinding results.
Are Tungsten Carbide Long Die Grinder Bits Recyclable?
Yes, Syndent long die grinder bits are made up of tungsten carbide. Tungsten carbide is a recyclable material.
The bits have no negative impact on the environment.
We design bits with raw materials that meet international standards and without any harm to the environment.
Syndent designs and provides bits in a way to make the environment and living clean and recycled easily. The bits are also eco-friendly and easy to use.
Syndent has a special inspection team that checks the quality of raw material and the complete production process. It ensures that long die grinder bits are manufactured without causing any harm to the environment.
In How Many Shapes Are the Long Die Grinder Bits Available?
Syndent always produces long die grinder bits to meet the demand of our clients. A wide range of long die grinder files is made in various shapes and sizes.
The bits are suitable to work on any surface. The various shapes are as follows:
Cylinder-shaped Long Die Grinder Bit
Cylinder-shaped burrs are designed and used for treating flat surfaces and smooth finishing. Long die grinder bits with cylinder shape can reach narrow areas and give a smooth finishing to your workpiece.
Cylinder-shaped Long Die Grinder Bit with End Cut
It is used in right-angled areas. You can conveniently work on right-angles corners and remove excess materials with these burrs.
Cylinder-shaped Long Die Grinder Bits with Radius End
It is used for arc surfaces at angles. You can use these burrs in most of the industries that deal with metal.
Ball-Shaped Long Die Grinder Bits
These burrs are designed and manufactured in a round shape like a ball. You can work on rounded-edged materials of different types with ball-shaped burrs.
Oval Shaped Long Die Grinder Bits
These burrs are commonly used for removing round edges of your workpiece.
Tree with a Pointed End Long Die Grinder Bits
It has a tree-like end used for grinding on round edges. You can also use these burrs to smooth long and narrow areas of your workpiece.
Tree with a Radius End Long Die Grinder Bits
Syndent manufactures tree-shaped burrs to work on material with round arcs. They are also used in narrow places on a given surface.
Flame-Shaped Long Die Grinder Bits
It is used to machine round edges of different materials.
Cone-Shaped Long Die Grinder Bits
Syndent’s cone-shaped burrs are mainly used for the inner holes of the materials.
Taper Long Die Grinder Bits with Radius End
Syndent’s taper burrs with radius end are used for narrow ends. It gives smooth finishing to the material by grinding.
Taper Long Die Grinder Bits with Pointed End
These burrs are an ideal solution to grind on narrow places and contours.
Inverted Cone Long Die Grinder Bits
These burrs are designed for chamfering the rear part inside the material and give a smooth finish to the material. You can conveniently use these burrs in different industries.
What Is the Ideal Working Speed of Long Die Grinder Bits?
Syndent provides long die grinder bits in many sizes with different RPMs. You must operate the burrs within the speed range.
The speed of bits must not exceed 35000 RPM.
No | Burr Size | RPM |
1 | 2.4 mm | 17000 – 26000 |
2 | 3.0 mm | 17000 – 26000 |
3 | 6.0 mm | 11000 – 16500 |
4 | 13.0 mm | 8000 – 12000 |
5 | 16. 0 mm | 7650 – -11500 |
Syndent manufactures bits in 5 different sizes. We provide possible high and low RPM that applies to various tasks. Don’t cross the speed range to attain better results from your long die grinder bits.
How the Quality of Long Die Grinder Bits Checked?
Syndent always gives value to our customers. The long die grinder bits are manufactured with complete precautions to meet international standards.
Syndent has a unique quality inspection team that checks the quality of each bit. The factors inspected are as follows:
Raw Material
Syndent produces bits with high-quality carbide raw material. The carbide used as raw material is very hard, similar to diamond, making the bits durable and resistant.
Balance, Strength, and Durability
Syndent’s QA/Qc team conducts various carbide burrs like the balancing test and the bending test.
These tests are arranged to ensure that the burrs are durable and robust. The flute and shanks are brazed with silver.
Silver brazing makes the long die grinder bits stronger and an ideal solution for grinding solutions.
Quality Control
Quality control is the main element of the production process. Every step of the process is thoroughly examined and checked from raw material to the final packaging.
The high graded raw material used in bit production is purchased from top-quality companies. The high-quality raw material gives strength to the bits.
Syndent’s quality control team follows all international standards and provides high-quality bits to the customers.
Lab Testing
To meet customers’ demands, Syndent ensures to pass every bit through different professional lab tests.
When the lab approves bits, then the further production process is completed.
CE Certified
It is certified that Syndent meets all safety, environmental health, and international safety standards.
What Are the Benefits of Using Long Die Grinder Bits?
There are a lot of pros of using long die grinder bits in daily routine work.
Some of them are as follows:
- Long die grinder bits are manufactured with outstanding carbide raw material that makes your work quick and smoother.
- Syndent produces burrs in many shapes and sizes that allow you to work on any surface.
- Our long shank bits have different diameters to manage several tasks. The variety in shank diameter allows you to use the burrs with variable tools.
- Syndent’s long die grinder bits are used in many industries to deal with their daily tasks.
- Syndent facilitates you with cost-effective burrs that can perform many tasks.
- Easily cut hard materials and decrease the workload. For example, die grinder bit for hard steel is the best example of Syndent’s efficient burrs.
- Have great strength to bear the heat and any resistance.
- Syndent’s bits are helpful for many processes like grinding, deburring, polishing, etc.
- The bits can cut variable materials like steel, metal, glass, stone, etc
What Should Be Considered Before Buying Long Die Grinder Bits?
Long die grinder bits have a remarkable ability to work efficiently and give smooth finishing to any material.
Before buying you should consider some features:
High-temperature Tolerance
You must think that the burrs are tolerant to various temperatures. Long die grinder bits continuously work even in scorching temperatures. The hard raw material gives the bits toughness and high-temperature tolerance.
Stability
The grinding burrs you are looking for must be stable and durable. Syndent long die grinder bits manage all functions with stability and accuracy. It is used in cutting, grinding, deburring, polishing, etc.
Versatility
While purchasing grinder burrs, you must consider that with a single burr, you can perform various tasks. Long die grinder bits are light in weight to be controlled while working in different materials. These bits are cost-effective and can serve multiple functions.
Durability
Durability is a must to look for while making a purchase. Syndent’s long die grinder bits have tungsten carbide material. Therefore, the bits are durable and hard to break. The bits are high-resistant to rust and heat.
Strength
Long die grinder bits are strong enough to handle different tasks. So, always choose burrs that possess strength and durability.
Which Safety Tips Shall I Follow while Working with Long Die Grinder Bits?
Syndent always ensures your safety to avoid any injury in using long die grinder bits. Safety measurement also protects you from possible damages caused by sharp pieces.
The safety tips are:
- Fix the long die grinder bit properly by following the guidelines.
- Apply slight pressure on the bit when performing functions on your workpiece.
- Protect your eyes, face, and hands with a mask and goggles to avoid any injury.
- Hold your workpiece tightly and safely to prevent any breakage of material.
- Handle with serious care while cutting stone or glass.
- Take serious care while working on material edges.
- Take serious care while cleaning the bits using muriatic acid to avoid any injury.
How Can I Clean Long Die Grinder Bits?
Like other tools, maintenance of long die grinder bits plays a vital role in performance and durability. Syndent’s long die grinder burrs perform better when the bits are cleared on time and correctly.
After using long die grinder bits, you find small debris on the bits. If this debris is not cleaned, the efficiency level of bits decreases.
We use two simple ways of cleaning a long die grinder bit.
The first one is to apply muriatic acid on the bit. Clean the bit with a brush and then dip these bits in a container filled with muriatic acid for 10 minutes.
This process clears all the extra materials, and your bits work correctly. The acid helps to dissolve particles from the bits. Don’t dip the bits in the container for more than ten minutes.
It might affect the long die grinder bits. You can also use caustic soda to clean the clogged burrs.
The second way is to use the ultrasonic option. In this process, clamp the shank of the burr tightly so that it could not break when cleaning. Apply the process for two or more minutes and then wash with cold water.
Can I Get Customized Long Die Grinder Bits?
Your ideas are our innovations. Syndent manufactures customized long die grinder bits.
You can talk to our engineers, give us your demands, and we will provide you the best solutions for your industry.
Customized long die grinder bits have some extra features and require a particular setting in our CNC machines.
Customized design orders require a little longer time in production than standard designs.
What Is the Lifespan of Long Die Grinder Bits?
Mainly bits are manufactured with high-grade tungsten carbide raw material. Therefore, these bits are durable and have long-lasting life.
The hard raw material makes the tool bearable for any resistance and long life.
To keep your long die grinder bits durable and long-lasting, you should clean your bits within the given time and use them properly.
In How Much Time Does Syndent deliver Long Die Grinder Bits?
Syndent supplies long die grinder bits to the whole world. So, we receive orders from multiple countries at the same time.
Due to that, it might take time to deliver orders. Small orders can be delivered earlier as compared to bulk orders.
Customized long die grinder bits take a long time for delivery as it is a lengthy process to produce custom orders.
We also provide rush orders for our customers who need their orders on an urgent basis. Syndent can also mark your company name or logo on the bits (on demand). You have to tell us the details of your company at the time of order.
Why Trust Syndent’s Long Die Grinder Bits?
- Syndent manufactures a variety of long die grinder bits. These bits are available in three standard cuts like single-cut, double-cut, and aluminum cut. Apart from common cuts, you can also have unique cut flutes.
- Syndent’s long die grinder bits are ideally used for cutting, shaping, grinding, deburring, carving, etc.
- The bits are manufactured with high graded raw material and used to cut steel, hardened steel, glass, stone, bone, steel, wood, etc.
- Syndent also produces customized long die grinder bits.
- Syndent offers long die grinder burrs in different sets to meet the customers’ requirements.
- We also produce dental carbide bits and nail carbide bits.
- Syndent long die grinder files are cost-effective and durable.
- Syndent’s carbide bits are manufactured with high-quality raw material, which has no negative impact on the environment.
- Long die grinder bits are also used on hard-to-reach and narrow areas where the regular rotary file cannot be reached.
- We are available for our clients and deal with their inquiries 24 hours. We respond to the clients in a short time.
- Syndent also features your artwork on long die grinder bits. You have to provide us the relevant artwork you want to engrave on the bits.