Washers
Trojan Special Fasteners Ltd routinely manufactures plain flat washers to customer's requirements in multiple material and finish combinations.
Washers are typically used to increase the bearing surface of a fastener. This provides increased surface area for a fastener and compensates for oddly sized or shaped holes. The addition of a washer to a nut and bolt assembly will resist loosening.
Washers are also used to distribute force so that mating surfaces are not damaged by nuts, especially square unchamfered nuts which have very sharp edges.
In addition to standard preferred sizes, we also manufacture non standard and non preferred sizes.
Unchamfered
Single Chamfered
Double Chamfered
We can manufacture to the following specifications:
In addition to machining washers to your dimensions, sample or drawing, we can machine washers to the following specifications:
| Standard | Description |
|---|---|
| AS 1237.1-2002 | Plain washers |
| AS 1237.1-2002 | Large Flat washers |
| AS 1237.1-2002 | Extra Large flat washers |
| AS 1237.1-2002 | Small plain washers |
| ANSI B18.2.6-2003 | Steel Circular clipped washers |
| ANSI B18.22.1A-1981 | Type A Plain washers |
| ANSI B18.22.1B-1981 | Type B Plain washers |
| ANSI B18.22.1A-1965 | Type A Plain washers |
| ANSI B18.22.1B-1965 | Type B Plain washers |
| ANSI B18.22M-1981 | Metric flat washers |
| ASTM F436-2010 | Extra Thick clipped washers |
| ASTM F436M-2010 | Clipped washers |
| BS 3410 | Table 3 Light flat washers |
| BS 3410 | Table 3 Heavy flat washers |
| BS 3410 | Table 4 Light flat washers |
| BS 3410 | Table 4 Heavy flat washers |
| BS 3410 | Table 4 Heavy flat washers |
| BS 3410 | Table 5 Flat washers |
| BS 3410 | Table 6 Flat washers |
| BS 3410 | Table 7 flat washers |
| BS 3410 | Table 8 flat washers |
| BS 3410 | Table 9 Flat washers |
| BS 4320 | Form A Bright Flat washers |
| BS 4320 | Form B Bright Flat washers |
| BS 4320 | Form C Bright Large Flat washers |
| BS 4320 | Form D Bright Large Flat washers |
| BS 4320 | Form E Black Flat washers |
| BS 4320 | Form F Black large Flat washers |
| BS 4320 | Form G Black extra large Flat washers |
| DIN 125-1 | Flat washers |
| DIN 125-2 | Type A washers |
| DIN 125-2 | Type B washers |
| DIN 433-1 | Flat washers |
| Standard | Description |
|---|---|
| DIN 433-2 | Flat washers |
| DIN 440 | Flat washers |
| DIN 1052 | Washers for Timber Construction |
| DIN 1440 | Flat washers |
| DIN 1441 | Flat washers |
| DIN 6319 | Type C spherical washers |
| DIN 6319 | Type D conical seat washers |
| DIN 6319 | Type G conical seat washers |
| DIN 6340 | Flat washers |
| DIN 6902 | Type A Flat washers |
| DIN 6902 | Type B Flat washers |
| DIN 6902 | Type C Flat washers |
| DIN 6903 | Type A Flat washers |
| DIN 6903 | Type B Flat washers |
| DIN 6916 | Flat washers |
| DIN 7349 | Flat washers |
| DIN 7989 | Flat washers |
| DIN 9021 | Flat washers |
| DIN 34820 | Chamfered flat washers |
| EN 14399-5 | Flat Washers |
| EN 14399-6 | Chamfered Flat Washers |
| IFI 542 | Flat washers |
| ISO 7089 | Flat washers |
| ISO 7090 | Chamfered flat washers |
| ISO 7091 | Normal series flat washers |
| ISO 7092 | Small series flat washers |
| ISO 7093-1 | Large series flat washers |
| ISO 7093-2 | Large series flat washers |
| ISO 7094 | Extra large series flat washers |
| ISO 7415 | Flat washers |
| ISO 7416 | Chamfered flat washers |
| ISO 8738 | Clevis Pin flat washers |
