pora 5.5mm ø5.5mm HSSE Co5

L1: 93mm, L2: 57mm, point angle 118°, helix angle 36°, drilling syvyys: 5 x ø, tolerance H8. DIN338VA, rolled, steam-treated twist drill made from heavy-duty high speed teräs, sopii teräs ˂900N/mm² and cast iron also for brass and bronze, manufacturing procedure solidifies the materiaali: more elasticated, more resistant to fracture, sopii robust drilling (e.g. hand-held drilling machine)
HSSE Co5
ø5.5mm