5/16-18X2 1/2 Hex Cap Screw Grade 2 Non A307 Black Oxide and Oil (Pack Qty 600) BC-3140CH2B

Economical for use in non-critical applications where the fastener is not subject to extreme temperatures or stress beyond the limits listed herein AISI 1006 - 1050 or equivalent steelYou may also like 5/16-18X6 Phillips Round Machine Screw Fully Threaded Zinc (Pack Qty 200) BC-3196MPR.