公称直径d	螺距p	公称长度L		螺套圈数w	自由状态外径		钻头直径￠
		Xd	mm		min	max
2	0.4	1d	2	3.2	2.62	2.76	2.1
		1.5d	3	5.3
		2d	4	7.4
		2.5d	5	9.5
2.5	0.45	1d	2.5	3.6	3.22	3.40	2.6
		1.5d	3.75	5.9
		2d	5	8.2
		2.5d	6.25	10.5
3	0.5	1d	3	4.2	3.90	4.10	3.1
		1.5d	4.5	6.8
		2d	6	9.4
		2.5d	7.5	12.0
4	0.7	1d	4	4	5.16	5.36	4.2
		1.5d	6	6.6
		2d	8	9.1
		2.5d	10	11.7
5	0.8	1d	5	4.4	6.32	6.54	5.2
		1.5d	7.5	7.1
		2d	10	9.9
		2.5d	12.5	12.6
		3d	15	15.3
6	1	1d	6	4.3	7.62	7.84	6.3
		1.5d	9	6.9
		2d	12	9.6
		2.5d	15	12.2
		3d	18	14.9
8	1.25	1d	8	4.7	10.06	10.34	8.3
		1.5d	12	7.4
		2d	16	10.6
		2.5d	20	13.5
		3d	24	16.4
10	1.5	1d	10	5	12.52	12.80	10.4
		1.5d	15	8
		2d	20	11.2
		2.5d	25	14.2
		3d	30	17.2
10	1.25	1d	10	6.1	12.38	12.68	10.3
		1.5d	15	9.7
		2d	20	13.3
10	1	1d	10	7.7	12.08	12.36	10.3
		1.5d	15	12.0
		2d	20	16.2
12	1.75	1d	12	5.2	14.68	14.98	12.4
		1.5d	18	8.4
		2d	24	11.7
		2.5d	30	14.7
		3d	36	18.0
12	1.5	1d	12	6.2	14.68	14.96	12.4
		1.5d	18	9.8
		2d	24	13.5
12	1.25	1d	12	7.4	14.40	14.80	12.3
		1.5d	18	11.6
		2d	24	16
14	1.5	0.75d	10.5	5.2	16.92	17.20	14.4
		1d	4.0	7.3
		1.5d	21.0	11.5
14	1.25	1d	14	8.6	16.8	17.2	14.3
		1.5d	21	13.6
16	2	1d	16	6.0	19.34	19.74	16.15
		1.5d	24	9.7
		2d	32	13.3
		2.5d	40	16.8
16	1.5	0.75d	12	6.1	19.18	19.52	16.4
		1d	16	8.5
		1.5d	24	13.3
18	2.5	1d	18	5.6	21.84	22.24	18.6
		1.5d	27	9.0
		2d	36	12.3
		2.5d	45	15.7
18	1.5	0.75d	13.5	7.0	21.48	21.82	18.4
		1d	18	9.5
		1.5d	27	15
20	2.5	1d	20	6.3	24.10	24.50	20.6
		1.5d	30	10
		2d	40	13.7
20	1.5	0.75d	15	8	23.48	23.88	20.4
		1d	20	10.7
		1.5d	30	16.7
22	1.5	0.75d	16.5	8.6	26.00	26.52	22.4
		1d	22
		1.5d	33	18
24	3	1d	24	6.3	28.64	29.24	24.8
		1.5d	36	10.00
		2d	48	14.0
24	1.5	0.5d	12	6	28.14	28.74	24.4
		0.75d	18	9.5
		1d	24	13
		1.5d	36	19.8
27	1.5	0.5d	13.5	6.7	31.44	32.14	27.4
		0.75d	20.3	10.7
		1d	27	14.6
		1.5d	40.5	22.6
30	3.5	1d	30	7	35.56	36.36	30.7
		1.5d	45	11
		2d	60	14.9
30	1.5	0.5d	15	7.8	16.8	17.2	14.3
		0.75d	22.5	12.2
		1d	30	16.5
		1.5d	45	25.3
33	1.5	0.5d	16.8	9.1	37.94	38.74	33.4
		0.75d	24.5	13.7
		1d	33	18.3
		1.5d	49.5	28

D ——螺纹丝套公称直径（即螺栓或螺钉公称直径） p ——螺距 L1——螺纹丝套公称长度 L2——螺纹丝套安装后实际长度（L2=L1-P） L3——钻孔深度L4——安装螺纹丝套用内螺纹孔螺纹孔螺纹深度(L4=L1=L2+P) L5——螺纹丝套距安装表面的间距（L5=0.25P~0.75P） L6——螺纹丝套安装柄不去除时，螺栓的最大拧入深度 Dz——螺纹丝套自由状态下外径 W ——螺纹丝套自由状态下圈数