DIN 7977

Descripción

Nominal diameter		5	6	8	10	12	14	16	20	25	30	40	50
d		5	6	8	10	12	14	16	20	25	30	40	50
P	pitch	0.8	1	1.25	1.5	1.75	1.75	2	2	2.5	3	3.5	4
d	max	5	6	8	10	12	14	16	20	25	30	40	50
d	min	4.952	5.952	7.942	9.942	11.93	13.93	15.93	19.916	24.916	29.916	39.9	49.9
b	max	15.6	20	24.5	27	30.5	33.5	39	39	45	52	65	78
b	min	14	18	22	24	27	30	35	35	40	46	58	70
a	max	2.4	3	4	4.5	5.3	6	6	6	7.5	9	10.5	12
d2		M5	M6	M8	M10	M12	M12	M16	M16	M20	M24	M30	M36
r1	≈	0.3	0.4	0.4	0.5	0.6	0.6	0.8	0.8	1	1	1.2	1.6
r2	≈	0.6	0.6	0.6	1	1	1	1.6	1.6	1.6	2.5	2.5	4
dp ①	h13	3.5	4	5.5	7	8.5	8.5	12	12	15	18	23	28
z	0	1.25	1.5	2	2.5	3	3	4	4	5	6	7.5	9
①,DIN 78 specifies a tolerance of h13 here, while ISO 4753-1983 standard specifies a tolerance of h14.

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