PETROCHEMICAL
Plating & Coatings
Fasteners
Hex Head Products
Socket Products
Foundation Bolting
Studding
Nuts
Washers
Brand Products
Gaskets
Spiral Wound Gaskets
Ring Type Joints
Soft Cut Gaskets
Insulation Kits
Pipe Supports
U-Bolts
Pipe Clamps
Eyebolts
Hemispherical Washers
Hex Connecting Nut
I-Rod / Nu-Bolts
HEX LOCK NUT (METRIC)
DIN 439-2 / ISO 4035
| DIA | TPI (COARSE) | A/C (MIN) | T (MIN) | T (MAX) | A/F (MIN) | A/F (MAX) |
|---|---|---|---|---|---|---|
| M6 | 1.00 | 10.89 | 2.90 | 3.20 | 9.78 | 10.00 |
| M8 | 1.25 | 14.20 | 3.70 | 4.00 | 12.73 | 13.00 |
| M10 | 1.50 | 18.90 | 4.70 | 5.00 | 16.73 | 17.00 |
| M12 | 1.75 | 21.10 | 5.70 | 6.00 | 18.67 | 19.00 |
| M14 | 2.00 | 24.49 | 6.42 | 7.00 | 20.67 | 21.00 |
| M16 | 2.00 | 26.75 | 7.42 | 8.00 | 23.67 | 24.00 |
| M18 | 2.50 | 29.56 | 8.42 | 9.00 | 26.16 | 27.00 |
| M20 | 2.50 | 32.95 | 9.10 | 10.00 | 29.16 | 30.00 |
| M22 | 2.50 | 35.03 | 9.90 | 11.00 | 31.00 | 32.00 |
| M24 | 3.00 | 39.55 | 10.90 | 12.00 | 35.00 | 36.00 |
| M27 | 3.00 | 45.20 | 12.40 | 13.50 | 40.00 | 41.00 |
| M30 | 3.50 | 50.85 | 13.90 | 15.00 | 45.00 | 46.00 |
| M33 | 3.50 | 55.37 | 15.40 | 16.50 | 49.00 | 50.00 |
| M36 | 4.00 | 60.79 | 16.90 | 18.00 | 53.80 | 55.00 |
| M39 | 4.00 | 66.44 | 18.20 | 19.50 | 58.80 | 60.00 |
| M42 | 4.50 | 71.30 | 19.70 | 21.00 | 63.10 | 65.00 |
| M45 | 4.50 | 76.95 | 21.20 | 22.50 | 68.10 | 70.00 |
| M48 | 5.00 | 82.60 | 22.70 | 24.00 | 73.10 | 75.00 |
| M52 | 5.00 | 88.25 | 24.70 | 26.00 | 78.10 | 80.00 |
DIA
M6
TPI (Coarse)1.00
A/C (Min)10.89
T (Min)2.90
T (Max)3.20
A/F (Min)9.78
A/F (Max)10.00
M8
TPI (Coarse)1.25
A/C (Min)14.20
T (Min)3.70
T (Max)4.00
A/F (Min)12.73
A/F (Max)13.00
M10
TPI (Coarse)1.50
A/C (Min)18.90
T (Min)4.70
T (Max)5.00
A/F (Min)16.73
A/F (Max)17.00
M12
TPI (Coarse)1.75
A/C (Min)21.10
T (Min)5.70
T (Max)6.00
A/F (Min)18.67
A/F (Max)19.00
M14
TPI (Coarse)2.00
A/C (Min)24.49
T (Min)6.42
T (Max)7.00
A/F (Min)20.67
A/F (Max)21.00
M16
TPI (Coarse)2.00
A/C (Min)26.75
T (Min)7.42
T (Max)8.00
A/F (Min)23.67
A/F (Max)24.00
M18
TPI (Coarse)2.50
A/C (Min)29.56
T (Min)8.42
T (Max)9.00
A/F (Min)26.16
A/F (Max)27.00
M20
TPI (Coarse)2.50
A/C (Min)32.95
T (Min)9.10
T (Max)10.00
A/F (Min)29.16
A/F (Max)30.00
M22
TPI (Coarse)2.50
A/C (Min)35.03
T (Min)9.90
T (Max)11.00
A/F (Min)31.00
A/F (Max)32.00
M24
TPI (Coarse)3.00
A/C (Min)39.55
T (Min)10.90
T (Max)12.00
A/F (Min)35.00
A/F (Max)36.00
M27
TPI (Coarse)3.00
A/C (Min)45.20
T (Min)12.40
T (Max)13.50
A/F (Min)40.00
A/F (Max)41.00
M30
TPI (Coarse)3.50
A/C (Min)50.85
T (Min)13.90
T (Max)15.00
A/F (Min)45.00
A/F (Max)46.00
M33
TPI (Coarse)3.50
A/C (Min)55.37
T (Min)15.40
T (Max)16.50
A/F (Min)49.00
A/F (Max)50.00
M36
TPI (Coarse)4.00
A/C (Min)60.79
T (Min)16.90
T (Max)18.00
A/F (Min)53.80
A/F (Max)55.00
M39
TPI (Coarse)4.00
A/C (Min)66.44
T (Min)18.20
T (Max)19.50
A/F (Min)58.80
A/F (Max)60.00
M42
TPI (Coarse)4.50
A/C (Min)71.30
T (Min)19.70
T (Max)21.00
A/F (Min)63.10
A/F (Max)65.00
M45
TPI (Coarse)4.50
A/C (Min)76.95
T (Min)21.20
T (Max)22.50
A/F (Min)68.10
A/F (Max)70.00
M48
TPI (Coarse)5.00
A/C (Min)82.60
T (Min)22.70
T (Max)24.00
A/F (Min)73.10
A/F (Max)75.00
M52
TPI (Coarse)5.00
A/C (Min)88.25
T (Min)24.70
T (Max)26.00
A/F (Min)78.10
A/F (Max)80.00
Dimensions in millimetres
Available in Mild Steel and A2 & A4 Stainless Steel
Other materials manufactured on request