Nominal Diameter, D	L 1	L 2	D 2	□
UNC No. 1 X 64	41	8	2.5	2
UNC NO. 2 X 56	44.5	9.5	2.8	2.24
UNC No. 3 X 48	44.5	9.5	2.8	2.24
UNC No. 4 X 40	48	11	3.15	2.5
UNC No. 5 X 40	48	11	3.15	2.5
UNC No. 6 X 32	50	13	3.55	2.8
UNC No. 8 X 32	53	13	4.5	3.55
UNC No. 10 X 24	58	16	5	4
UNC No. 12 X 24	62	17	5.6	4.5
UNC  1/4 X 20	66	19	6.3	5
UNC  5/16 X 18	72	22	8	6.3
UNC  3/8 X 16	80	24	10	8
UNC  7/16 X 14	85	25	8	6.3
UNC  1/2 X 13	89	29	9	7.1
UNC  9/16 X 12	95	30	11.2	9
UNC  5/8 X 11	102	32	12.5	10
UNC  3/4 X 10	112	37	14	11.2
UNC  7/8 X 9	118	38	16	12.5
UNC  1" X 8	130	45	18	14
UNC 1.1/8 X 7	138	48	20	16
UNC  1.1/4 X 7	151	51	22.4	18
UNC 1.13/8 X 6	162	57	25	20
UNC  1.1/2 X 6	170	60	28	22.4
UNC  1.3/4 X 5	187	67	31.5	25
UNC 1.7/8 X 4.5
UNC  2" X 4.1/2	200	70	35.5	28
DIN 376
UNC  1/4 X 20	80	17	4.5	3.4
UNC  5/16 X 18	90	20	6	4.9
UNC  3/8 X 16	100	22	7	5.5
UNC  7/16 X 14	100	22	8	6.2
UNC  1/2 X 13	110	25	9	7
UNC  9/16 X 12	110	26	11	9
UNC  5/8 X 11	110	27	12	9
UNC  3/4 X 10	125	30	14	11
UNC  7/8 X 9	140	32	18	14.5
UNC  1" X 8	160	36	20	16