Cylindrical hss drill bits - hss co5% - flat bottom boring - gold
Drilling diameter | 4.5 mm |
---|---|
Total length | 80 mm |
Length of cut | 47 mm |
Drilling diameter | 4.5 mm |
---|---|
Total length | 80 mm |
Length of cut | 47 mm |
Din standard | din 338 w |
Coating | gold |
Angle of helix | 40 ° |
Sharpening | cross-grinding |
Tip angle | 135 ° |
Internal cooling | no |
Usually arrives within 14 working days