pora, 16mm

shank ø10x30mm, pituus: 178mm, for drilling larger diameters on all commonly-used drilling machines, clampin chuck up to 13mm, point angle 118°, helix angle 20-30°, drilling syvyys 5 x ø, tolerance H8
HSS-R
DIN338N, rolled high speed teräs, sopii teräs ˂900N/mm² and cast iron also for brass and bronze, helical point normal ground, powerful main cut, resistant to voima and lateral forces, simple manual grinding possible, broad cutting edge requires considerable pressure
ø16mm