Heavy duty roughing hobs with involute gear froms

for spur and helical gears to module pitch

20° pressure angle

basic profile III to DIN 3972

with positive rake (undercut)

optionally with chip breaker grooves

single start right-handed

with drive slot

Please contact us for more details on heavy duty roughing hob, large module hob, involute gear hob, chain sprocket hob, worm gear hob, spline hobs, timing belt pulley hob, etc HSS Gear Hobbing Tools.