不銹鋼 丸、皿、頭 十字 粗牙螺絲

長度→	1/4''	3/8''	1/2''	5/8''	3/4''	1''	1-1/4''	1-1/2''	2''	2-1/2''	3''
牙徑↓	6.350	9.525	12.700	15.875	19.050	25.400	31.750	38.100	50.800	63.500	76.200
1/8''	◎	◎	◎	◎	◎	◎	◎	◎
5/32''	◎	◎	◎	◎	◎	◎	◎	◎	◎	◎	◎
3/16''	◎	◎	◎	◎	◎	◎	◎	◎	◎	◎	◎
1/4''		◎	◎	◎	◎	◎	◎	◎	◎	◎	◎
5/16''			◎	◎	◎	◎	◎	◎	◎	◎	◎
3/8''					◎	◎	◎	◎	◎	◎	◎
1/2''					◎	◎	◎	◎	◎	◎	◎

49 不銹鋼螺絲螺帽