DIN 2509 Double End Stud Dimensions

d	Pitch	b2				v1 min	ds		dp		s		z
		b	max	b	max		max	min	max	min	max	min	nominal	max	min
M12	1.75	21	23.5	23	25.5	13.5	12	11.82	8	7.78	7	6.82	4	4.24	3.76
M16	2	25	28	28	31	17	16	15.82	12	11.73	10	9.78	5	5.24	4.76
M20	2.5	30	34	34	37	21	20	19.79	14	13.73	11	10.73	6	6.24	5.76
M24	3	36	40.5	40	44.5	25	24	23.79	14	13.73	11	10.73	6	6.24	5.76
M27	3	38	42.5	43	47.5	28	27	26.79	18	17.73	13	12.73	6	6.24	5.76
M30	3.5	42	47	47	52	31	30	29.79	18	17.73	13	12.73	6	6.24	5.76
M33	3.5	44	49	50	55	33	33	32.75	25	24.67	22	21.67	9	9.29	8.71
M36	4	50	56	55	61	37	36	35.75	25	24.67	22	21.67	9	9.29	8.71
M39	4	52	58	58	64	39	39	38.75	28	27.67	24	23.67	10	10.29	9.71
M42	4.5	57	64	-	-	43	42	41.75	28	27.67	24	23.67	10	10.29	9.71
M45	4.5	58	65	-	-	45	45	44.75	32	31.61	27	26.67	11	11.35	10.65
M48	5	64	71.5	-	-	48	48	47.75	32	31.61	27	26.67	11	11.35	10.65
M52	5	68	75.5	-	-	52	52	51.7	36	35.61	30	29.67	12	12.35	11.65
M56	5.5	73	81	-	-	56	56	55.7	36	35.61	32	31.61	13	13.35	12.65
M60	5.5	76	84	-	-	59	60	59.7	42	41.61	36	35.38	14	14.35	13.65
M64	6	82	91	-	-	63	64	63.7	42	41.61	36	35.38	14	14.35	13.65
M72	6	89	98	-	-	70	72	71.7	50	49.61	41	40.38	15	15.35	14.65
M80	6	95	104	-	-	76	80	79.7	50	49.61	41	40.38	15	15.35	14.65
M90	6	103	112	-	-	84	90	89.65	50	49.61	41	4038	15	15.35	14.65
M100	6	111	120	-	-	92	100	99.65	50	49.61	41	40.38	15	15.35	14.65

Notes :

• P = Thread pitch (Coarse)
• For nominal sizes ≥ M42 long thread execution z. Z. is not customary to see scope.
• Not for new