Counterbore Drill Bit

we are offering counterbore drill bit available with us are ideal for castings, rounded parts, concaved or drafted surfaces. Our flat bottom and long reach counterbore drill bit design allows for spot facing or counterboringon irregular surfaces. It is possible to counterbore prebored holes for screw body. We commonly use the 3 fluted x 90’ countersink tool for most countersinking & de-burring applications. 82’ countersinks tools to suit american screws, and 60’ countersinks tools are used mainly for wheel nut & studs. Popular hss countersink tools go up to 31mm with a ½” shank, larger hss countersink tools are readily avail. With a morse taper shank, counterbore drill bit and countersinks with straight shank are also available. available types

• din 373
• din 1866
• din 220
• din 334 c
• din 335 c
• countersinks and counterbores with taper shank
  • din 375
  • din 1868
  • din 1867
  • din 334,335,347