Specifications
HSS-E DIN338 ground HSS drill bits, 135 split pointfully ground, amber color
center punching is not nesseary
HRC 67-68
HSS-E DIN338 cobalt HSS drill bits, 135 split point
1 profile ground,
2 right hand cutting, type N
3 Material No. 1.3243=EMo5Co5
4 Cobalt-alloyed high performance drill bits
5 short , cylindrical
6 135 split point conical section
7 Cross ground to DIN1412 C ( from diameter 3mm)
8 Diameter tolerance H8