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GOST R 50791 – 1995 – Bu lông lục giác

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Mô tả

GOST R 50791 – 1995 – Bu lông lục giác

Screw Thread	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	M20
P	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5
b	12	14	16	18	22	26	30	34	38	46
b	/	/	/	/	28	32	36	40	44	52
c	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.2	0.2
c	0.4	0.4	0.5	0.5	0.6	0.6	0.6	0.6	0.8	0.8
d_a	3.6	4.7	5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4
d_s	2.6	3.5	4.4	5.3	7.1	8.9	10.7	12.5	14.5	18.2
d_w	4.4	5.7	6.7	8.7	11.4	14.4	16.4	19.2	22	27.7
e	5.98	7.5	8.63	10.89	14.2	17.59	19.85	22.78	26.17	32.95
k	2	2.8	3.5	4	5.3	6.4	7.5	8.8	10	12.5
	1.8	2.6	3.26	3.76	5.06	6.11	7.21	8.51	9.71	12.15
	2.2	3	3.74	4.24	5.54	6.69	7.79	9.09	10.29	12.85
k₁	1.3	1.8	2.3	2.6	3.5	4.3	5.1	6	6.8	8.5
r	0.1	0.2	0.2	0.25	0.4	0.4	0.6	0.6	0.6	0.8
s	5.5	7	8	10	13	16	18	21	24	30
s	5.2	6.64	7.64	9.64	12.57	15.57	17.57	20.16	23.16	29.16
x	1.25	1.75	2	2.5	3.2	3.8	4.3	5	5	6.3
Length of Thread b	–	–	–	–	–	–	–	–	–	–

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