5/16"
Flanged screw
1" x 5/16" UNF - AF spanner size: 7/16"
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Product number: 336923
Flanged screw
1.5/32" x 5/16" UNF - AF spanner size: 7/16"
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Product number: 307039
Flanged screw
1.13/16" x 5/16" UNF - AF spanner size: 7/16"
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Product number: 307040