PETROCHEMICAL
Plating & Coatings
Fasteners
Hex Head Products
Socket Products
Foundation Bolting
Studding
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Washers
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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
INTERNAL SERRATED LOCK WASHERS
DIN 6798J (FAN DISC)
| DIA | D1 (NOM) | D2 (NOM) | T (NOM) |
|---|---|---|---|
| M3 | 3.20 | 6.00 | 0.40 |
| M4 | 4.30 | 8.00 | 0.50 |
| M5 | 5.30 | 9.00 | 0.50 |
| M6 | 6.40 | 11.00 | 0.70 |
| M8 | 8.40 | 15.00 | 0.80 |
| M10 | 10.50 | 18.00 | 0.90 |
| M12 | 12.50 | 20.50 | 1.00 |
| M14 | 14.50 | 24.00 | 1.00 |
| M16 | 16.50 | 26.00 | 1.20 |
| M18 | 19.00 | 30.00 | 1.40 |
| M20 | 21.00 | 33.00 | 1.40 |
| M22 | 23.00 | 36.00 | 1.50 |
| M24 | 25.00 | 38.00 | 1.50 |
PLATE & BOLT DATA
M3
D1 (NOM)3.20
D2 (NOM)6.00
T (NOM)0.40
M4
D1 (NOM)4.30
D2 (NOM)8.00
T (NOM)0.50
M5
D1 (NOM)5.30
D2 (NOM)9.00
T (NOM)0.50
M6
D1 (NOM)6.40
D2 (NOM)11.00
T (NOM)0.70
M8
D1 (NOM)8.40
D2 (NOM)15.00
T (NOM)0.80
M10
D1 (NOM)10.50
D2 (NOM)18.00
T (NOM)0.90
M12
D1 (NOM)12.50
D2 (NOM)20.50
T (NOM)1.00
M14
D1 (NOM)14.50
D2 (NOM)24.00
T (NOM)1.00
M16
D1 (NOM)16.50
D2 (NOM)26.00
T (NOM)1.20
M18
D1 (NOM)19.00
D2 (NOM)30.00
T (NOM)1.40
M20
D1 (NOM)21.00
D2 (NOM)33.00
T (NOM)1.40
M22
D1 (NOM)23.00
D2 (NOM)36.00
T (NOM)1.50
M24
D1 (NOM)25.00
D2 (NOM)38.00
T (NOM)1.50
Dimensions in millimetres
Available in Mild Steel and A2 & A4 Stainless Steel
Other materials manufactured on request
EXTERNAL SERRATED LOCK WASHERS
DIN 6798A (FAN DISC)
| DIA | D1 (NOM) | D2 (NOM) | T (NOM) |
|---|---|---|---|
| M3 | 3.20 | 6.00 | 0.40 |
| M4 | 4.30 | 8.00 | 0.50 |
| M5 | 5.30 | 9.00 | 0.50 |
| M6 | 6.40 | 11.00 | 0.70 |
| M8 | 8.40 | 15.00 | 0.80 |
| M10 | 10.50 | 18.00 | 0.90 |
| M12 | 12.50 | 20.50 | 1.00 |
| M14 | 14.50 | 24.00 | 1.00 |
| M16 | 16.50 | 26.00 | 1.20 |
| M18 | 19.00 | 30.00 | 1.40 |
| M20 | 21.00 | 33.00 | 1.40 |
| M22 | 23.00 | 36.00 | 1.50 |
| M24 | 25.00 | 38.00 | 1.50 |
PLATE & BOLT DATA
M3
D1 (NOM)3.20
D2 (NOM)6.00
T (NOM)0.40
M4
D1 (NOM)4.30
D2 (NOM)8.00
T (NOM)0.50
M5
D1 (NOM)5.30
D2 (NOM)9.00
T (NOM)0.50
M6
D1 (NOM)6.40
D2 (NOM)11.00
T (NOM)0.70
M8
D1 (NOM)8.40
D2 (NOM)15.00
T (NOM)0.80
M10
D1 (NOM)10.50
D2 (NOM)18.00
T (NOM)0.90
M12
D1 (NOM)12.50
D2 (NOM)20.50
T (NOM)1.00
M14
D1 (NOM)14.50
D2 (NOM)24.00
T (NOM)1.00
M16
D1 (NOM)16.50
D2 (NOM)26.00
T (NOM)1.20
M18
D1 (NOM)19.00
D2 (NOM)30.00
T (NOM)1.40
M20
D1 (NOM)21.00
D2 (NOM)33.00
T (NOM)1.40
M22
D1 (NOM)23.00
D2 (NOM)36.00
T (NOM)1.50
M24
D1 (NOM)25.00
D2 (NOM)38.00
T (NOM)1.50
Dimensions in millimetres
Available in Mild Steel and A2 & A4 Stainless Steel
Other materials manufactured on request