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hss twist drill bits
Product Detailed
hss twist drill bits
material:hign speed steel
processing:roll forged,edge ground,fully ground
hss twist drill bits
point angle:118°or 135°
surface finished:bright, black oxide,tin oxide,black flute&white shank or rainbow
*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
feel free to contact us for more detailed information
