Zinc Yellow A307 Grade A Hex Bolts
| Size | Diameter | Length | Plating | Thread |
| 1/4"-20 | 1/4" | 1/2" | ZINC-YELLOW | COARSE |
| 1/4"-20 | 1/4" | 1 3/4" | ZINC-YELLOW | COARSE |
| 1/4"-20 | 1/4" | 2 1/4" | ZINC-YELLOW | COARSE |
| 1/4"-20 | 1/4" | 2 1/2" | ZINC-YELLOW | COARSE |
| 1/4"-20 | 1/4" | 5" | ZINC-YELLOW | COARSE |
| 5/16"-18 | 5/16" | 1" | ZINC-YELLOW | COARSE |
| 5/16"-18 | 5/16" | 3" | ZINC-YELLOW | COARSE |
| 5/16"-18 | 5/16" | 4" | ZINC-YELLOW | COARSE |
The yellow zinc plating of the fastener refers to the colour of the chromate that is applied once the zinc has been deposited on the fixing or fastener. This chromate prevents the zinc from corroding as well as increasing overall protection.
Grade 8 yellow zinc fasteners,nuts,washers,bolts & screws.These fasteners are heat treated to harden the metal. Grade 5 zinc fasteners are partially treated, whereas our stock of grade 8 yellow zinc fasteners are thru heated to maximize its hardness.
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