
Zinc Plated Square Nuts
Four-Sided Square Nuts in Zinc Plated Grade 2 Steel
- Four sided square nut
- Greater resistance to loosening
- More contact with surface of fastener
- Less likely to lose their shape from constant loosening/tightening
- Use with a flat washer to avoid damage from sharp edges
- Square Nuts up to #10 are flat on both sides
- 1/4" and up are beveled on one side
- CR+3 Zinc Plated Steel
- Sizes listed below as: Internal Diameter - Thread Pitch
Nut Size | Width Across Flats | Thickness |
1/4" | Max 0.438-Min 0.423 | Max 0.235-Min 0.203 |
5/16" | Max 0.562-Min 0.545 | Max 0.283-Min 0.249 |
3/8" | Max 0.625-Min 0.607 | Max 0.346-Min 0.310 |
7/16" | Max 0.750-Min 0.728 | Max 0.394-Min 0.356 |
1/2" | Max 0.812-Min 0.788 | Max 0.458-Min 0.418 |
5/8" | Max 1.000-Min 0.969 | Max 0.569-Min 0.525 |
3/4" | Max 1.125-Min 1.088 | Max 0.680-Min 0.632 |
7/8" | Max 1.312-Min 1.269 | Max 0.792-Min 0.740 |
1" | Max 1.500-Min 1.450 | Max 0.903-Min 0.847 |
See Product Specifications