Hex Cap Screw Gr 8 1/2-20x1 PK50 NUCOR 000812816450

Hex Head Cap Screw Head Type Hex Diameter 1/2 In. Grade 8 Material Medium Carbon Steel Finish Plain Thread Size 1/2-20 Thread Type Fine Length under Head 1 In. Thread Length 1 In. Head Height 5/16 In. Head Width 3/4 In. Thread Style Fully Threaded Thread Direction Right Hand Proof Load 120 000 psi Tensile Strength 150 000 psi Rockwell Hardness C33 to C39 Meets/Exceeds SAE J429 ASME B18.2.1 Refills Mfr No 00081-2816-450 Package Quantity 50