UNC英制螺纹不锈钢螺丝套标准规格

 UNC英制螺纹不锈钢螺丝套标准规格

直径号--牙数	安装后的长度	安装后的长度	do(mm)	钻头直径	安装前圈数
4-40	1d 1.5d 2d	2.9 4.3 5.8	3	3.66-4.04	3.2 5.1 7.2
5-40	1d 1.5d 2d	3.2 4.8 6.4	3.4	4.01-4.39	3.7 5.9 8.2
6-32	1d 1.5d 2d	3.5 5.3 7.0	3.7	4.52-4.90	2.8 4.8 6.8
8-32	1d 1.5d 2d	4.2 6.25 8.3	4.4	5.20-5.56	4.0 6.0 8.7
10-24	1d 1.5d 2d	4.8 7.2 9.6	5.1	6.19-6.58	3.3 5.4 7.5
12-24	1d 1.5d 2d	5.5 8.2 11.0	5.8	6.86-7.24	4.0 6.3 8.8
1/4"-20	1d 1.5d 2d	6.4 9.5 12.7	6.7	7.86-8.38	3.9 6.2 8.6
3/8"-16	1d 1.5d 2d	9.5 14.3 19.1	9.9	11.48-11.99	4.8 7.7 10.6
7/16"-14	1d 1.5d 2d	11.1 16.7 22.2	11.6	13.36-13.99	4.9 7.9 10.7
1/2"-13	1d 1.5d 2d	12.7 19.1 25.4	13.1	15.16-15.8	5.2 8.3 11.4
5/8"-11	1d 1.5d 2d	15.9 23.8 31.8	16.4	18.84-19.48	5.7 9.0 12.3
3/4"-10	1d 1.5d 2d	19.1 28.6 38.1	19.6	22.36-23.00	6.3 9.9 13.5
1"-8	1d 1.5d 2d	25.4 38.1 50.8	26.1	29.62-30.38	6.8 10.6 15.4
8-36	1d 1.5d 2d	4.2 6.3 8.3	4.3	5.18-5.68	4.5 7.2 9.7
10-32	1d 1.5d 2d	4.83 7.24 9.6	5.0	5.99-6.50	4.1 6.9 10
1/4"-28	1d 1.5d 2d	6.35 9.5 12.7	6.6	7.77-8.28	5.0 8.6 11.8
5/16"-24	1d 1.5d 2d	7.9 11.9 15.9	8.2	9.65-10.16	5.9 9.4 12.8
3/8"-24	1d 1.5d 2d	9.5 14.3 19.1	9.8	11.37-11.88	7.3 11.5 15.6
7/16"-20	1d 1.5d 2d	11.1 16.7 22.2	11.4	13.3-13.7	7.0 11.1 15.0
1/2"-20	1d 1.5d 2d	12.7 19.1 25.4	13.0	15.03-15.67	7.9 12.8 17.3
9/16"-18	1d 1.5d 2d	14.3 21.5 28.6	14.6	16.91-17.55	7.9 12.0 16.0
5/8"-18	1d 1.5d 2d	15.9 23.8 31.8	16.2	18.61-19.25	9.4 14.5 19.7
3/4"-16	1d 1.5d 2d	19.1 28.6 31.8	19.4	22.25-22.88	10.1 15.6 21.0
7/8"-14	1d 1.5d 2d	22.2 33.3 44.5	22.6	25.93-26.69	10.3 15.9 21.6
1"-14	1d 1.5d 2d	25.4 38.1 50.8	25.9	29.69-30.45	11.8 18.1 24.5
1"-12	1d 1.5d	25.4 38.1	30.0	29.69-30.45	10.0 15.6