日韩亚洲国产激情一区二区_久久亚洲成a人片_亚洲人成高清无码在线 _国产高清欧美亚洲-视频国产欧美一区二区精品-精品久久国产一区二区-色综合久久精品国产-午

News and information

News

PA20° Full-Topping Gear Cutter Hob with HSS Material

2022-08-22 14:30:13 jiangxingTools 2284

PA20° Full-Topping Gear Cutter Hob with HSS Material

To control both out-diameter on the bottom side of gear tooth  and tooth thickness when producing a small size gear.

PA20° or PA14.5°,hao=1.25m, ho=D+F=2.25m, r=0.2m-0.39m

symbol is FULL-TOPPING