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hss twist drill bit
Product Detailed
hss twist drill bit
material:M2, M35, M42, F4341, 9341OR 4341
For drilling carbon and alloy steel, non-ferrous metal.
hss twist drill bit
surface finishing:bright, black oxide, tin coated, black flute&white shank or rainbow
*hot fully ground flute with special heat treatment gives advanced throughness durability of the drill bit
*black oxide finish for greater resistance to wear
*economic hign speed steel bit for general drilling
*for drilling in steel,cast steel,malleable iron,sintered metal,non-ferrous metal
feel free to contact us for more detailed information