Square Nuts, Stainless Steel 304, 5/8-11
Four-Sided Square Nuts in Corrosion Resistant Stainless Steel
- Four sided square nut
- Available in UNC Coarse and UNF Fine thread sizes
- 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 #8 are flat on both sides
- 1/4" and up are beveled on one side
- Sizes listed below as: Internal Diameter - Thread Pitch
| Size | Across Flats (Max-Min) | Thickness (Max-Min) | Square Shape |
| #4 | 0.250-0.241 | 0.098-0.087 | Flat |
| #6 | 0.312-0.302 | 0.114-0.102 | Flat & Beveled |
| #8 | 0.344-0.310 | 0.130-0.117 | Beveled |
| #10 | 0.375-0.362 | 0.130-0.117 | Beveled |
| 1/4" | 0.438-0.423 | 0.193-0.178 | Flat & Beveled |
| 5/16" | 0.562-0.545 | 0.225-0.208 | Beveled |
| 3/8" | 0.625-0.607 | 0.257-0.239 | Beveled |
| 1/2" | 0.812-0.788 | 0.458-0.418 | Beveled |
| 5/8" | 1.000-0.969 | 0.569-0.525 | Beveled |
| 3/4" | 1.125-1.088 | 0.680-0.632 | Beveled |
Product number:
590092