1) Black oxide, bronze oxide, TiN coated, bright finish
2) Fully ground, roll forged
3) Standard: DIN338, DIN340, DIN1897, ANSI B94.11M
4) For drilling in steel, cast steel, malleable iron, sintered metal, non
ferrous metals and plastic
5) Steel grade: W4Mo2Cr4VSi, W4Mo3Cr4Vsi, WMo3Cr4V(W9),
W6Mo5Cr4V2(M2), M35
Packing: PVC bag or tub
2) Fully ground, roll forged
3) Standard: DIN338, DIN340, DIN1897, ANSI B94.11M
4) For drilling in steel, cast steel, malleable iron, sintered metal, non
ferrous metals and plastic
5) Steel grade: W4Mo2Cr4VSi, W4Mo3Cr4Vsi, WMo3Cr4V(W9),
W6Mo5Cr4V2(M2), M35
Packing: PVC bag or tub
Main Products
drill, electric hammer drilling bits, twist drills, scre bit