河北深州精密厂家直接供应质量保证特制定位把手
JB/T7270.12-94(Z52-2) d
R L
h H M6 50 16,20,25
8 40 M8 63 20,25,32,40
10 43 M10 80 20,25,32,40
12 55 M12 95 25,32,40,45
15 63 M16 114 40,50,60
18 75