Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Socket Cheese Head Screws

UNI 5931 - 1984

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Nominal Length L Tips:seclect Nominal Length L and get Thread length.

Thread Size
d

M10

M12

(M14)

M16

P	Coarse thread
	Fine thread
d_k	plain head	max
	knurled head	max
	min
d_s	max
	min
k	max
	min
s	Nominal Size
	min
	max
t	min

0.5	0.7	0.8	1	1.25	1.5	1.75	2	2
/	/	/	/	1	1.25	1.25	1.5	1.5
5.5	7	8.5	10	13	16	18	21	24
5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33
5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67
3	4	5	6	8	10	12	14	16
2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73
3	4	5	6	8	10	12	14	16
2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57
2.5	3	4	5	6	8	10	12	14
2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032
2.56	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212
1.3	2	2.5	3	4	5	6	7	8

Length of Thread b

Thread Size
d

M18

M20

M22

M24

M27

M30

M33

M36

P	Coarse thread
	Fine thread
d_k	plain head	max
	knurled head	max
	min
d_s	max
	min
k	max
	min
s	Nominal Size
	min
	max
t	min

2.5	2.5	2.5	3	3	3.5	3.5	4
1.5	1.5	1.5	2	2	2	2	3
27	30	33	36	40	45	50	54
27.33	30.33	33.39	36.39	40.39	45.39	50.39	54.46
26.67	29.67	32.61	35.61	39.61	44.61	49.61	53.54
18	20	22	24	27	30	33	36
17.73	19.67	21.67	23.67	26.67	29.67	32.61	35.61
18	20	22	24	27	30	33	36
17.57	19.48	21.48	23.48	26.48	29.48	32.38	35.38
14	17	17	19	19	22	24	27
14.032	17.05	17.05	19.065	19.065	22.065	24.065	27.065
14.212	17.23	17.23	19.275	19.275	22.275	24.275	27.275
9	10	11	12	13.5	15.5	18	19

Length of Thread b

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