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PA20° Profile DIN3972 Standard Pre-grinding Gear Hob with Module m9

2022-05-26 10:09:51 jiangxingTools 2649

PA20° Profile DIN3972 Standard Pre-grinding Gear Hob with Module m9

Tooh profile is according to GB, DIN3972-3 standard

Material:HSS M2, M35, ASP2052, S390

Accuracy:class A DIN3968

Hob sizes:OD 140 * Length 140 * Bore 40

PGP: gear hob for pre-grinding use