1/2-20 x 4 1/2 Socket Cap Screw Alloy .Alloy Socket Head Cap Screws from Brighton Best.Hardness of RC 38-43, meets or exceeds ASTM A574.Manufactured from heat treated alloy steel, 1960 series.
-28%
1/2-20 x 4 1/2 Socket Cap Screw Alloy
$6.84 Save:$3.00(28%)
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