Hss Twist Drill Bit Diamond Drill Bit
1. Standard: 1.0-25.0mm for DIN338, DIN1897, DIN340;
1/16"-1" for ASME, screw machine, taper length.
2. Steel material: M2(6542), M35, M42, HSS9341, HSS4341, HSS 4241
3. Process: Fully ground, milled, polished, roll forged
4. Point angel: 118degree, 118degree split point, 135degree split point
5. Surface finishing: Bright finished, black oxide, Tin-coated, black & white, black & gold, coffee color.
6. Shank: Straight shank, reduced shank, taper shank
7. Hardness: 63-66HRC

OEM are accept
Supply small order for test
Quick delivery
Replied in 24 hours
Your any requirement will receive our prompt and careful attentions.
1.Sharp and fast drilling;
2.Easy and quick chip removal;
3.100% original fresh tungsten carbide raw material
4. Delivery within the allotted time;
5.Stable quality and widely use for hole drilling in hard material;
6.Extensive experience;
7.Competitive price.
Samples:
The samples are free,freight is collected.
If we can have your order ,we will decrease the freight from our first order.



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