Project Description
Large plain washer series
Large plain washer is washer used to match with bolt and nut where large bolt hole exist. S-metal offers Grade A large washer with 200 HV and 300 HV hardness classes and sizes ranging from 3 mm to 36 mm. Grade A large washers are suitable for hexagon bolts and screws of grades A and B with property class of 8.8 to 10.9 and hexagon nuts with grade A and B with property classes up to 8,10.
Standards: ISO 7093/ASME B18.22.1
Material:Carbon steel
Stainless steel A2,A4,C1,C4,F1
Finish:natural finish or electroplating as agreed
Tolerance: products grade A refer to ISO4759-3.
Hardness range: 200HV-370HV.
Large plain washer
Dimension in mm.
| Diameter | d1 | d2 | h | ||||
| min. | max. | max. | min | nom | max | min | |
| 3 | 3.2 | 3.38 | 9 | 8.64 | 0.8 | 0.9 | 0.7 |
| 4 | 4.3 | 4.48 | 12 | 11.57 | 1 | 1. 1 | 0.9 |
| 5 | 5.3 | 5.48 | 15 | 14.57 | 1 | 1. 1 | 0.9 |
| 6 | 6.4 | 6.62 | 18 | 17.57 | 1.6 | 1.8 | 1.4 |
| 8 | 8.4 | 8.62 | 24 | 23.48 | 2 | 2.2 | 1.8 |
| 10 | 10.5 | 1077 | 30 | 29.48 | 2.5 | 2.7 | 2.3 |
| 12 | 13 | 13.27 | 37 | 36.38 | 3 | 3.3 | 2.7 |
| 16 | 17 | 17.27 | 50 | 49.38 | 3 | 3.3 | 2.7 |
| 20 | 21 | 21.33 | 60 | 59.26 | 4 | 4.3 | 3.7 |
| 24 | 25 | 25.52 | 72 | 70.8 | 5 | 5.6 | 4.4 |
| 30 | 33 | 33.62 | 92 | 90.6 | 6 | 6.6 | 5.4 |
| 36 | 39 | 39.62 1 | 110 | 108.6 | 8 | 9 | 7 |
