twist drill bit
Danyang Boyu Tools Co., Ltd. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
twist drill bit
material:hign speed steel
for drilling in steel,cast steel,malleable iron,sintered metal,non-ferrous metal
twist drill bit
| material | hss(M35,M42,F4341,9341 or 4341) |
| surface finished | black oxide,tin coated,erbor fiished,white finished |
| manufacturing process | roll forged,fully ground,edge ground |
feel free to contact us for more detailed information!
