Product Description
| Thread | 5/16 BSCY |
| Thread pitch | 26 tpi |
| Hex size | 0.438" AF |
| Thickness | 0.195" |
| Material | Steel |
| Finish | Zinc |
| Notes | Manufactured on small hex 0.438"AF as used for 1/4 BS sizes. Thin nut. Suits BSA rear wheel adjuster lock nut |
| BSA part number | 24-0563 |
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