PETROCHEMICAL
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SOCKET BUTTON HEAD SCREW (METRIC)
ISO 7380
| DIA | A | H | B | M (MIN) | R (MIN) |
|---|---|---|---|---|---|
| M3 | 5.40 - 5.70 | 1.40 - 1.65 | 2.020 - 2.080 | 1.04 | 0.10 |
| M4 | 7.24 - 7.60 | 1.95 - 2.20 | 2.520 - 2.580 | 1.30 | 0.20 |
| M5 | 9.14 - 9.50 | 2.50 - 2.75 | 3.020 - 3.080 | 1.56 | 0.20 |
| M6 | 10.07 - 10.50 | 3.00 - 3.30 | 4.020 - 4.095 | 2.08 | 0.25 |
| M8 | 13.57 - 14.00 | 4.10 - 4.40 | 5.020 - 5.140 | 2.60 | 0.40 |
| M10 | 17.07 - 17.50 | 5.20 - 5.50 | 6.020 - 6.140 | 3.12 | 0.40 |
| M12 | 20.48 - 21.00 | 6.24 - 6.60 | 8.025 - 8.175 | 4.16 | 0.60 |
| M16 | 27.48 - 28.00 | 8.44 - 8.80 | 10.025 - 10.175 | 5.20 | 0.60 |
DIMENSION DATA
M3
DIAM3
A5.40 - 5.70
H1.40 - 1.65
B2.020 - 2.080
M (MIN)1.04
R (MIN)0.10
M4
DIAM4
A7.24 - 7.60
H1.95 - 2.20
B2.520 - 2.580
M (MIN)1.30
R (MIN)0.20
M5
DIAM5
A9.14 - 9.50
H2.50 - 2.75
B3.020 - 3.080
M (MIN)1.56
R (MIN)0.20
M6
DIAM6
A10.07 - 10.50
H3.00 - 3.30
B4.020 - 4.095
M (MIN)2.08
R (MIN)0.25
M8
DIAM8
A13.57 - 14.00
H4.10 - 4.40
B5.020 - 5.140
M (MIN)2.60
R (MIN)0.40
M10
DIAM10
A17.07 - 17.50
H5.20 - 5.50
B6.020 - 6.140
M (MIN)3.12
R (MIN)0.40
M12
DIAM12
A20.48 - 21.00
H6.24 - 6.60
B8.025 - 8.175
M (MIN)4.16
R (MIN)0.60
M16
DIAM16
A27.48 - 28.00
H8.44 - 8.80
B10.025 - 10.175
M (MIN)5.20
R (MIN)0.60
Dimensions in millimetres
Available in Grade 10.9 & 12.9 Steel and A2 & A4 Stainless Steel
Other materials manufactured on request