Guhring 1228 9.30mm HSS-Co GT80 Stub S-Drill
Series 1228 HSCO Straight Shank Stub Drills
Tin Coated - Metric
Co-alloyed high speed steel,Special geometry.Increased wear resistance
For higher tensile steels long chipping materials up to 1000 N/mm
Al- and Cu alloys ,soft bronzes,electrolytic copper,ductile brass