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Form A , AD & AD/B

Machine Design	TAPER ISO	D	D1	D2	D3	L	G	B	e1
SK40	40	44.45	63.55	72.3	50.0	68.4	M16	16.1	27
SK45	45	57.15	82.55	91.35	63.0	82.7	M20	19.3	35
SK50	50	69.85	97.50	107.25	80.0	101.75	M24	25.7	42

ANSI / CAT - Form AD

Machine Design	TAPER ISO	D	D1	D2	D3	L	B	G
CAT40 - AD	40	44.45	63.5	72.35	44.45	68.23	16.38	5/8-11
CAT45 - AD	45	57.15	82.55	91.35	57.15	82.55	19.55	3/4-10
CAT50 - AD	50	69.85	98.43	107.64	69.85	101.6	25.91	1" -8