Cement drill bit DIN345 HSS, ground, type N, shank MK 21mm FORMAT

Twist drill bit, with Morse taper shank
Execution: HSS, DIN 345, type N, right-hand cut, with precise tip grinding.Correction according to DIN 1412, shape A.Side rake angle, core thickness and taper normal.
Application: especially intended for steel and cast steel (alloyed and unalloyed), gray cast iron, malleable cast iron, nodular cast iron, sintered iron and graphite.
Low radial run-out and high graduation accuracy.

Technical parameters:

• Ø h7: 21.00 mm
• Spiral length: 145 mm
• Total length: 243 mm
• shank Ø d2 = h6: 2
• Steel & lt; 700 N / mm2 f: 0.400 mm / rev.
• Steel & lt; 700 N / mm2: 25
• Steel & lt; 1000 N / mm2: 22
• Cast iron GG / GTS: 30
• Cast iron GGG: 24
• Aluminum & lt; 8% silicon: 70
• HAGNr .: W100