Hobs for spur and helical gears

For economical production on modern gear hobbing machines 

for spur and helical gears to module pitch; 20° pressure angle

basic profile II to DIN 3972

quality grade A to DIN 3968

single start right-handed, with keyway

Common sizes of solid hobs for spur and helical gears as following: m1-m10 with PA20

Chongqing Jiangxing Tools is designing and manufacturing complicated gear hobbing tools such as gear hob, involute spline hob, roller chain sprocket hob, timing pulley hob, parallel side spline hob, worm gear hob, carbide hob and  made in up-to-dated facility with long experience.