Nominal Diameter, D	L 1	L 2	D 2	□
BSW 1/8 X 40	48	11	3.15	2.5
BSW 3/16 X 24	58	16	5	4
BSW 1/4 X 20	66	19	6.3	5
BSW 5/16 X 18	72	22	8	6.3
BSW 3/8 X 16	80	24	10	6
BSW 7/16 X 14	85	25	8	6.3
BSW 1/2 X 12	89	29	9	7.1
BSW 9/16 X 12	95	30	11.2	9
BSW 5/8 X 11	102	32	12.5	10
BSW 3/4 X 10	112	37	14	11.2
BSW 7/8 X 9	118	38	16	12.5
BSW 1" X 8	130	45	18	14