亚洲自偷精品第一中文字幕|亚洲日韩一页精品发布|丝袜美腿视频一区二区三区|成年女人免费碰碰视频

News and information

News

PA20° Profile DIN3972 Standard Pre-grinding Gear Hobber Cutter with Module m5.5

2022-05-28 09:01:42 jiangxingTools 1953

PA20° Profile DIN3972 Standard Pre-grinding Gear Hobber Cutter with Module m5.5

Tooh profile is according to GB, DIN3972-3 standard

Material:HSS M2, M35, ASP2052, S390

Accuracy:class A DIN3968

Hob sizes:OD 100 * Length 100 * Bore 32

PGP: gear hob for pre-grinding use