industry quality parabolic fluted twist drill bits 

Manufacture, factory price

strict quality control
plenty experience
timely delivery
OEM acceptable

1. Standard: 1.0-25.0mm for DIN338, DIN1897, DIN340; 1/16"-1" for ASME, screw machine, taper 

length.
2. Steel material:  HSS4241,4341,M2,M35
3. Process: Fully ground, milled, roll forged
4. Point angel: 118degree, 118degree split point, 135degree split point
5. Surfce finishing: Bright finished, black oxide, Tin-coated, ember finish
6. Shank: Straight shank
7. Hardness: 63-66HRC
8. 5/10 pieces packind in PVC bag, then in white paper box, then in carton

Q&A:

Question 1: Are you professional manufacturer or foreign trade company of hss twist drill bit line?

Answer: Danyang Boyu Tools Co., Ltd. is a professional manufacture and trader for all kinds of cutting tools in China. Since we have advanced management system, strong technical power and modern inspection instruments, our products have been exported to many countries and regions in Europe, America, Australia and Southeast Asia with a high reputation.

Question 2: What are your main products?

Answer: our main products are all kinds of HSS twist drill bits and drill sets, SDS-plus drill bits,wood working drill bits, Masonry drill bits, HSS hole saws, Taps & Dies, Diamond Saw Blades, TCT Circular Saw Blades.

Question 3: What material standard you using now regarding twist drill bit?

Answer: We are using HSS standard of: HSS M35Co%, HSSM2(6542),HSS 9341, HSS4341, HSS4241.

Question 4: Can you supply sample test and your samples are free?

Answer: Yes, we can supply samples customer need. The samples are usually free, but according to our company rule, customer need to pay the freight, and we promise we will definitely return the postage to you when we cooperation.

Skype:peter_tools