午夜黄频在线视频|青青青草久久久九九九999日韩|看视频一区二区欧美精品123区|国产二区中文字幕

News and information

News

PA20° Profile DIN3972 Standard Pre-grind Gear Hob with Module m1

2022-05-28 11:06:52 jiangxingTools 3239

PA20° Profile DIN3972 Standard Pre-grind Gear Hob with Module m1

Tooh profile is according to GB, DIN3972-3 standard

Material:HSS M2, M35, ASP2052, S390

Accuracy:class A DIN3968

Hob sizes:OD 55 * Length 40 * Bore 22

PGP: gear hob for pre-grinding use