hss taper shank drill bit set

hss taper shank drill bit set
material:hign speed steel
processing:roll forged or fully ground or milled

  hss taper shank  drill bit set

 *point angle:118* or 135*

 *surface finishing: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

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

 

  if you hanve any special inquires about the packsge,please contact us,we would reply you in 2 working days