taper shank drill
material:hign speed steel
processing:roll forged,edge ground

taper shank drill
point angle:118°or 135°

surface finished:bright, black oxide,tin coated,nitrogen  or rainbow

Sizes: From Dia6mm to 100mm.

*hot fully ground flute with special heat treatment gives advanced throughness with incresed durability of the drill bit

*economic fign speed steel bit general drilling

*for drilling in steel,cast steel,malleable iron,sintered metal,non-ferrous metal