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Click Specification

Unit:mm

Cold Heading Dies for Hexagon Bolts - Punches for Final Heading (Suitable for GB/T 5780、GB/T5781、GB/T5782、GB/T5783、GB/T5784、GB/T5785、GB/T5786)

JB /T 4209.2 - 1996

Display drawing:

机械行业JB /T4209.2 - 1996 JB4209.2 4209.2JB Cold Heading Dies for Hexagon Bolts - Punches for Final Heading (Suitable for GB/T 5780、GB/T5781、GB/T5782、GB/T5783、GB/T5784、GB/T5785、GB/T5786)

Thread Size

M3

M4

M5

M6

M8

M10

M12

M14

M16

M18

M20

d	min=nominal size
	max
d₁	min=nominal size
	max
H	max=nominal size
	min
D	Nominal Size
	max
	min
L	max=nominal size
	min
h
t	Coaxiality
	verticality

5.23	6.65	7.6	9.5	12.35	15.2	17.1	19.95	22.8	25.65	28.5
5.35	6.8	7.75	9.65	12.53	15.38	17.28	20.16	23.01	25.86	28.71
6.33	8.05	9.2	11.5	14.95	18.4	20.7	24.15	27.6	31.05	34.5
6.48	8.2	9.35	11.68	15.13	18.58	20.91	24.36	27.81	31.3	34.75
0.7	0.9	1.1	1.3	1.8	2.1	2.5	3	3.3	3.8	4.2
0.6	0.8	1	1.2	1.7	2	2.4	2.9	3.18	3.68	4.08
16	16	20	20	28	32	32	38	38	48	48
16.066	16.066	20.08	20.08	28.088	32.107	32.107	38.107	38.107	48.12	48.12
16.039	16.039	20.047	20.047	28.055	32.068	32.068	38.068	38.068	48.081	48.081
18	18	24	24	34	38	38	45	45	58	58
17.93	17.93	23.916	23.916	33.9	37.9	37.9	44.9	44.9	57.88	57.88
0.3	0.4	0.5	0.6	0.8	1	1.2	1.4	1.6	1.8	2
0.025	0.03	0.03	0.03	0.04	0.04	0.04	0.05	0.05	0.05	0.05
0.04	0.04	0.05	0.05	0.05	0.06	0.06	0.06	0.06	0.06	0.06

Alternative history

JB /T 4209.2 - 1996 JB /T 4209.2 - 2014

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