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Hexagon head bolts ISO metric coarse pitch thread ...Information restricted to the registered users: Login | Register now for a 14-day free trial

Dimensions in mm - source UNI 5737
Publication date: 11/1988
d Thread size	P	s nom=max.	ds min	k	b (l<=125)	b (l>125<=200)	b (l>200)
M 3	0.5	5.5	2.86	2	12	-	-
M 4	0.7	7	3.82	2.8	14	-	-
M 5	0.8	8	4.82	3.5	16	-	-
M 6
M 7
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 33
M 36
M 39
M 42
M 45
M 48
M 52
M 56
M 60
M 64
M 68

UNI 5737 11/1988 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	M3	M4	M5	M6	M7	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30
nominal length l
20	1.34
22	1.45	2.71
25	1.61	3
28
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
110
120
130
140
150
160
170
180
190
200
220
240

UNI 5737 11/1988 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	M33	M36	M39	M42	M45	M48	M52	M56	M60	M64	M 68
nominal length l
100	938
110
120
130
140
150
160
170
180
190
200
220
240
260
280
300
320
340
360

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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Standard UNI 5737