产品特性
材质：
4241高速钢
规格：
3/16-1/2'':
6阶:3/16''（4.76mm), 1/4''(6.35mm）, 5/16''(7.94mm),3/8''(10.35mm), 7/16''(11.11mm), 1/2''(12.7mm)
1/4-3/4'':
9阶:1/4''(6.35mm) 5/16''(7.94mm), 3/8''(10.35mm), 7/16''(11.11mm),1/2''(12.7mm）,9/16''(14.28mm), 5/8''(15.88mm), 11/16''(17.46mm), 3/4''(19.05mm)
1/8-1/2'' :
13阶:1/8''（3.18mm), 5/32''(3.97mm), 3/16''（4.76mm), 7/32''(5.56mm)，1/4''（6.35mm),9/32''(7.14mm), 5/16''(7.94mm), 11/32''(8.73mm), 3/8''(9.53mm),13/32''(10.32mm),7/16''(11.11mm),15/32''(11.91mm),1/2''(12.7mm）192
表面处理：
氮化
适用
适用场景
