Carbide Twist Drills

Short Description:

Our staffs are adhering to the “Integrity-based and Interactive Development” spirit, and the tenet of “First-class Quality with Excellent Service”. According to the needs of every customer, we provide customized & personalized services to help customers achieve their goals successfully. Welcome clients from home and abroad to call and inquire!
To meet the requirements of individual customers for each bit more perfect service and stable quality products. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!

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Product Description

Super Raw Material
HRC 45 HRC 55 HRC 60 HRC 65
YG10X YL10.2&WF25 Germany K44&K40 Sandvik H10F
Grain size 0.7 μm,Co10%,Flexural strength 3320N/mm² Grain size 0.6 μm,Co10%,Flexural strength 4000N/mm² Grain size 0.5 μm,Co12%,Flexural strength 4300N/mm² Grain size 0.5 μm,Co10%,Flexural strength 3320N/mm²


Super Coating
Coating HardnessHV Thicknessμm FrictionCoefficient OxidationTemp Color
AlTiN 3500 2.5-3 0.3 900 Black
TiAlN 2800 2.5-3 0.3 900 Violet
TiSiN 3600 3 0.45 1000 Bronze
AlTiSiN 4000 3 0.4 1200 Blue
TiN 2500 2-3 0.5 600 Gold


Material Tungsten Carbide,solid carbide,cemented carbide
HRC 45/55/65
Type Carbide drill bits
Coating AiTIN, TiAIN, TiCN, ALTiN, TiN…
Helix Angle 10. 15. 25. 35. 45 . 55 degree,
Tolerance 0.005mm

Different size: 

3XD, 5XD, 8XD…20XD…50XD

Suitable for the various different material workpiece :

aluminum / steel / cast iron / ductile cast iron / stainless/ wood/ PVC/

Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.
Based on our automatic production line, steady material purchase channel and quick subcontract systems have been built in mainland China to meet customer’s wider and higher requirement in recent years. We are looking forward to cooperating with more clients worldwide for common development and mutual benefit!Your trust and approval are the best reward for our efforts. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future!
Our products have mainly exported to south-east Asia Euro-America, and sales to all of our country. And depending on excellent quality, reasonable price, best service, we have got good feedback from customers overseas. You are welcomed to join us for more possibilities and benefits. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

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  • The company vigorously promotes the enterprise culture of excellence, the pursuit of excellence, adhering to the customer first, service first business philosophy, and strive to provide customers with quality, more cost-effective products.



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