Nominal Size		Screw	Dimension (mm)			304 Inventory	316 Inventory
B (inch)	A (mm)	d2	H	L	W
1/8B	6A	Rc1/8	7	16	7	●	●
1/4B	8A	Rc1/4	8	20	9	●	●
3/8B	10A	Rc3/8	9	22	12	●	●
1/2B	15A	Rc1/2	10	26	14	●	●
3/4B	20A	Rc3/4	9	27	17	●	●
1B	25A	Rc1	12	32	18.5	●	●
11/4B	32A	Rc11/4	12	34	22.5	●	－
11/2B	40A	Rc11/2	13	35	25.5	●	－
2B	50A	Rc2	14	40	31.5	●	－
21/2B	65A	Rc21/2	16	46	41	●	－
3B	80A	Rc3	16	50	46	●	－
4B	100A	Rc4	20	60	58	●	－