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DIN 7964 – 1990 – Bu lông lục giác

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DIN 7964 – 1990 – Bu lông lục giác

Screw Thread					M2.5	M3	M4	M5	M6	M8	M10	M12	M16	M20	M24	M30
P					0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2.5	3	3.5
b₁		0 ~ +2P	type K / short thread		3.2	3.8	5	6.25	7.5	10	12.5	15	20	25	30	38
b₁		0 ~ +2P	type L / long thread		10	12	14	16	18	22	26	30	38	46	54	66
b₂		0 ~ +2P	type K / short thread		3.75	4.5	6	7.55	8.5	11.2	14.3	17.5	23	28.5	33.5	43
b₂		0 ~ +2P	type L / long thread		10.55	12.7	15	17.3	19	23.2	27.8	32.5	41	49.5	57.5	71
d_s		max			1.9	2.3	3	3.9	4.6	6.2	7.7	9.2	12.7	16.2	19.2	24.2
d_s		min			1.7	2.1	2.8	3.7	4.4	6	7.5	9	12.5	16	19	24

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