Presto 1100028.75 - 28.75mm HSS DIN345 MORSE TAPER SHANK DRILL

General-purpose drill, to drill steels with tensile strength up to 1.000 N/mm2, cast steel, grey cast iron, malleable cast iron, nickel brass and graphite.

Design characteristics
Point grinding: cone relief point
Point angle: 118°
Web thinning: form A > 14 mm
Helix angle: normal
Web thickness: normal
Web taper: normal
Flute form: normal
Tolerance of dia.: h8