Nominal Diameter, D	L 1	L 2	D 2	□
UNF No. 4 X 48	48	11	3.15	2.5
UNF No. 5 X 44	48	11	3.15	2.5
UNF No. 6 X 40	50	13	3.55	2.8
UNF No. 8 X 36	53	13	4.5	3.55
UNF No. 10 X 32	58	16	5	4
UNF No. 12 X 28	62	17	5.6	4.5
1/4 X 28	66	19	6.3	5
5/16 X 24	69	19	8	6.3
3/8 X 24	76	20	10	8
7/16 X 20	82	22	8	6.3
1/2 X 20	84	24	9	7.1
9/16 X 18	90	25	11.2	9
5/8 X 18	95	25	12.5	10
3/4 X 16	104	29	14	11.2
7/8 X 14	113	33	16	12.5
1 X 12	120	35	18	14
1 X 14	110	40	18	14.5
1.1/8 X 12	138	48	20	16
1.1/4 X 12	151	51	22.4	18
1.3/8 X 12	162	57	25	20
1.1/2 X 12	170	60	28	22.4
1.5/8 X 12	170	60	28	22.4
1.3/4 X 12	187	67	31.5	25
1.7/8 X 12	187	67	31.5	25
2 X 12	200	70	35.5	28
2.1/8 X 12	200	70	35.5	28
2.1/4 X 12	221	76	40	31.5
2.1/2 X 12	224	79	40	31.5
5/8 X 12	100	22	12	9
3/4 X 12	110	25	14	11
7/8 X 12	140	26	18	14.5
1.1/16 X 12	138	48	20	16
1.5/16 X 12	162	57	25	20
DIN 376
1/4 x 28	80	17	4.5	3.4
5/16 x 24	90	20	6	4.9
3/8 x 24	100	22	8	6.2
7/16 x 20	100	22	8	6.2
1/2 x 20	100	22	9	7