英制韋氏粗牙合金剛無頭固定螺絲

長度	規格	3/16''	1/4''	5/16''	3/8''	1/2''	5/8''	3/4''
	牙距	24T	20T	18T	16T	12T	11T	10T
1/4''-6.4		◎	◎
5/16''-7.9		◎	◎	◎
3/8''-9.5		◎	◎	◎	◎
1/2''-12.7		◎	◎	◎	◎	◎
5/8''-15.9		◎	◎	◎	◎	◎	◎
3/4''-19.1		◎	◎	◎	◎	◎	◎
1''-25.4		◎	◎	◎	◎	◎	◎
1-1/4''-31.8			◎	◎	◎	◎	◎
1-1/2''-38.1			◎	◎	◎	◎	◎
1-3/4''-44.5			◎	◎	◎	◎	◎
2''-50.8			◎	◎	◎	◎	◎

• 材質：SCM435(SCM-3)
• 硬度：HRC42-53
• 尺寸單位：mm

48 鐵螺絲螺帽