Square Hole Washer
Square hole washers are flat washers that come with a centrally located square hole which is made to perfectly align with square head bolts or carriage bolts. These washers are ideal for construction, woodworking, and heavy-duty applications as they distribute load evenly and prevent bolts from loosening.
Material Grade
| Mild Steel | 4.6 |
| Stainless Steel | 202, 304, 316 |
Size Range
| Diameter | M10 to M20 |
Passivation
Anti-Rust- Black Oxide
- Black Zinc
- Copper
- Hot Dip Galvanizing
- Nickel Plating
- Olive Green Zinc
- PTFE
- White Zinc
- Yellow Zinc
- Zinc Flake Coating
- Zinc Nickel
