5/16-18 THREAD SIZE FASTENS IN BLIND HOLES KNURLED BODY FOR ANTI-ROTATION WIDE GRIP RANGE FOR METAL AND OTHER MATERIALS EASY INSTALLATION WITH MANUAL OR POWER TOOLS

AKS312-18-150 ALUMINUM THIN-NUT SMALL FLANGE, PLAIN FINISH, 5/16-18 x .030-.150 GRIP RANGE (PACK OF 25)