Your Professional Diamond Router Bit Supplier

 

Huizhou Feisite Precision Tools Co., Ltd., is located in Huizhou City, Guangdong Province, China. With over 30 years of experience in woodworking tool manufacturing, we have grown into a trusted supplier for both domestic and international markets.Supported by a skilled technical and management team, Feisite operates a modern CNC production line and utilizes ultrafine tungsten carbide materials to ensure precision, durability, and consistent quality. We are dedicated to providing professional, reliable, and high-value woodworking cutting solutions worldwide.

 

 
  • Nesting Up/down PCD Router Bit 2+2
    Designed for CNC nesting and panel processing, this 2+2 PCD compression spiral router bit helps achieve cleaner top and bottom edges, reduced chipping, and stable cutting performance.2+2 PCD
  • PCD Compression Router Bit Z1+1
    PCD compression cutters are manufactured with one of the most durable cutting edges, making them an ideal solution for critical and precision cutting of particleboard, MDF, melamine boards and
  • Clean Bottom Router Bit
    Diamond cleaning bottom router bitMeans a diamond (PCD) tipped bottom cleaning rouetr bit,same as the TCT router bit,with steel shank plus PCD as cutter blade.
  • Round Bottom Router Bit
    PCD Round Bottom Router BitCore box router bit also named Round Bottom router bits or ball nose bits are used for decorative designs in cabinet doors or for detail veining in furniture. Both Round
  • Segment Diamond Router Bit 3+3
    Polycrystalline diamond (PCD) router bits have become an essential tool in modern CNC machining processes. Known for their exceptional wear resistance, cutting precision, and ability to withstand
  • Straight Diamond Router Bits
    straight diamond router bitsA diamond router bit is used in various material shaping applications, particularly for hard and abrasive materials. Diamond router bits are embedded with small diamond
  • V Cut Router Bit
    V groove router bitDiamond(PCD) V groove router bit is well known as a versatile tool that has a wide range of uses in various woodworking projects. Whether you are a professional woodworker or a DIY
 
Why choose us

Unique Manufacturing Process

By optimizing the balance between toughness and hardness, our proprietary production techniques ensure superior performance and durability in every cutting tool.

OEM & ODM Services

We offer flexible customization solutions to support clients’ branding, distribution, and product innovation needs, helping them expand their market presence.

 

Strict Quality Control

Enforces rigorous quality inspection at every stage of production to guarantee precision, sharpness, and long service life of each tool.

Advanced CNC Production Lines

Equipped with nearly 100 high-precision CNC machines, our factory achieves a daily output of around 2,000 pieces, ensuring efficiency and consistent product quality.

 

Diamond Router Bit

 

Diamond router bits are essential tools in precision machining, especially when working with hard, abrasive materials such as stone, glass, ceramics, and engineered composites. These bits utilize industrial-grade diamond particles bonded to the cutting edge, providing unmatched durability and cutting performance. Available in various geometries, each type of diamond router bit is engineered for specific tasks—ranging from deep cutting and surface grinding to intricate engraving and edge profiling.

 

Segment Diamond Router Bit

 

Advantages of Diamond Router Bit

Superior Hardness: Diamond is the hardest known material, eunlike carbide or high-speed steel tools.

 

Heat Resistance: Diamond bits dissipate heat efficiently during high-speed operations, reducing the risk of thermal damage to both the tool and the stone.

 

Precision and Finish: They produce clean, smooth cuts with minimal chipping, reducing the need for secondary polishing or touch-ups.

 

Long Service Life: Despite higher initial costs, diamond bits offer extended operational life, lowering long-term replacement and downtime expenses.

 

Versatility: Available in numerous shapes and configurations, they adapt to diverse tasks—from coarse shaping to fine engraving—across multiple industries.

 

Type of Diamond Router Bit

 

Diamond Cylindrical Bits

Featuring a straight, cylindrical cutting surface coated with diamond grit on the periphery, these bits are designed for aggressive material removal and deep plunge cuts.

01

Diamond Cone Bits

These bits have a conical shape with diamond coating along the angled surface, making them ideal for creating V-grooves, beveled edges, and angular recesses.

02

Diamond Ball Bits

Also known as ball-end or hemispherical bits, these feature a rounded tip fully coated with diamonds, enabling 360° cutting capability and smooth contouring.

03

Flat Diamond Bits

These bits have a flat, disc-like end surface embedded with diamonds, optimized for surface grinding and leveling large areas.

04

Tapered Diamond Bits

With a gradually narrowing shaft and diamond-coated angled sides, tapered bits are designed for precision edgework and internal contouring.

05

 

Applications of Diamond Router Bit

 

Stone Manufacturing
In the stone fabrication industry, diamond router bits are essential for cutting, shaping, and profiling both natural stones (like granite, marble, and limestone) and engineered composites (such as quartz countertops). These materials are highly abrasive and can quickly degrade standard cutting tools, but diamond bits withstand prolonged use without significant wear.

 

Concrete Cutting and Finishing
The construction and masonry sectors widely use diamond router bits for precision work on concrete surfaces. These bits are ideal for creating architectural concrete features, including decorative panels, countertops, and textured facades. Their fine cutting action allows contractors to achieve clean, chip-free edges even in reinforced concrete.

 

Glass Engraving and Edge Processing
Diamond router bits play a vital role in the glass manufacturing and artistic glassworking industries. Due to their extreme hardness and fine tip control, these bits are capable of engraving intricate patterns, drilling precise holes, and smoothing sharp edges on glass sheets and panels without causing fractures or micro-chipping.

 

Jewelry Production and Gemstone Machining
In the high-precision world of jewelry making, diamond router bits are used to shape, engrave, and set hard materials such as diamonds, sapphires, ceramics, and precious metals. These tools allow jewelers to create detailed filigree work, engrave serial numbers or logos, and mill precise settings for gemstones.

 

Electronics and Semiconductor Manufacturing
The electronics industry depends on diamond router bits for machining advanced ceramic substrates, insulating layers, and semiconductor wafers used in microchips, sensors, and circuit boards. Materials like alumina, zirconia, and silicon carbide are notoriously difficult to machine due to their brittleness and hardness, but diamond bits provide the necessary precision and surface quality.

 

 
Specification of Diamond Router Bit
 
01/

Granular Concentration
Diamond concentration refers to the density of diamond particles embedded in the cutting surface, typically measured in carats per cubic centimeter. This directly affects the bit’s aggressiveness and lifespan.

02/

Outer Diameter and Cutting Profile
The bit’s diameter determines the width of the cut and influences cutting speed, stability, and application suitability.

03/

Bore Diameter and Shank Size
Compatibility with your router’s collet is critical for safety and precision. Mismatched shank sizes can lead to slippage, wobbling, or catastrophic failure.

04/

Diamond Grain Type and Bonding
The type of diamond and its bonding matrix determine cutting performance, durability, and material compatibility.

05/

Blade and Core Material
The substrate or core of the bit must withstand high rotational forces and thermal stress.

06/

Operating Speed (RPM)
Diamond bits require precise speed control to optimize cutting efficiency and prevent overheating or tool failure.

 

 

How to Install Diamond Router Bits Safely and Correctly

Remove the OEM Bit
Unplug the router and release the collet nut. Remove the existing bit completely. If using a quick-release system, follow manufacturer instructions. Clean the collet and shaft to remove dust or debris.

 

Insert the Diamond Bit
Insert the shank fully into the collet, ensuring it’s centered. The bit should be inserted to the recommended depth—typically leaving 1 to 1.5 inches of shank inside the collet for stability.

 

Reseat the Collet
Ensure the collet is properly seated in the chuck before tightening. Misalignment can cause runout and premature wear.

 

Secure the Collet Nut
Tighten the collet nut firmly using the appropriate wrench. Over-tightening can damage the collet; under-tightening risks bit ejection. Use a double-wrench technique if required.

 

Test Run the Router
Plug in the router and operate at low speed (5,000–10,000 RPM) in a safe environment. Check for vibration, wobble, or noise. Gradually increase speed only after confirming stability.

Straight Diamond Router Bits

 

Maintenance

 

 

Cleaning After Each Use

Immediately after cutting, remove stone dust and residue with a soft brush or compressed air. Wipe the bit with a slightly damp cloth to eliminate fine particles that can cause corrosion or clog cooling channels.

 

Routine Inspections

Examine the Diamond Router Bit closely before each use. Look for missing diamonds, cracks, or uneven wear. Replace the bit if damage exceeds 10% of the segment area to avoid poor cuts or failure.

 

Storage Care

Store bits in a padded case or rack to prevent contact with other tools. Keep in a dry, temperature-controlled environment to avoid moisture-induced rust on the steel body.

 

 

 

FAQ

 

 

Q: Do you supply FREE sample?

A: Yes, but it's only for the Certified customers.

Q: What is your minimum order quantity?

A: No limited for 1st sample order, 100pcs for normal order.

Q: What's your delivery time?

A: We can finish the order within 15 days usually, 5 days for urgent order.

Q: What's your payment terms?

A: T/T, L/C, Western Union, PayPal

Q: How about the shipping?

A: We shipped the sample order via DHL or FedEx, 100kgs by air, others by sea.

Huizhou Feisite Precision Tools Co., Ltd. is one of the most professional diamond router bit manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy diamond router bit in stock here and get quotation from our factory. Customized orders are welcome.

Straight Diamond Router Bits, diamond router bit, V Cut Router Bit
Send Inquiry