Drill bits for metal
Metal drill bit
HERMAN DM-10 HSS-R
Classic, standard version
Made of 4241, rolled, tip angle 118º with standard taper
Metal drill bit DIN 338
HERMAN DM-20 HSS-G
With cross-cut tip
Polished surface with "split point" tip grinding for fast drilling with very good tool life
Metal drill bits set
HERMAN QDM-20 HSS-G
6 pcs drill bits in set
HERMAN DM-20 HSS-G drill bits with ground and polished surface in set : TOP 6 most needed diameters
Metal drill bit set
HERMAN QDM-21 HSS-G
19 pcs drill bits in set
HERMAN DM-20 HSS-G drill bits with ground and polished surface in set : diameters 1.0 - 10.0 mm by 0.5 mm
Metal drill bit set
HERMAN QDM-22 HSS-G
25 pcs drill bits in set
HERMAN DM-20 HSS-G drill bits with ground and polished surface in set : diameters 1,0 - 13,0 mm by 0,5 mm
Metal drill bit DIN 338
HERMAN DM-40 HSS-E Co5%
With cross-cut tip
High-performance right-cutting drill bits with 5% cobalt additive and "split point" tip grinding
Metal drill bit set
HERMAN QDM-40 HSS-E Co 5%
6 pcs drill bits in set
HERMAN DM-40 HSS-E Co 5% drill bits with cut and polished surface in set : TOP 6 most needed diameters
Metal drill bit set
HERMAN QDM-41 HSS-E Co 5%
19 pcs drill bits in set
HERMAN DM-40 HSS-E Co 5% drill bits with ground and polished surface in set : diameters 1,0 - 10,0 mm in 0,5 mm increments
Metal drill bit set
HERMAN QDM-42 HSS-E Co 5%
25 pcs drill bits in set
HERMAN DM-40 HSS-E Co 5% drill bits with ground and polished surface in set : diameters 1,0 - 13,0 mm in 0,5 mm increments
Metal drill bit
HERMAN DM-30 HSS-G TiN
For steel, cast iron and bronze
Drill bit with polished surface and titanium nitride coating, also suitable for impact wrenches