10-24 x 1/8" Coarse Thread Locking Set Jam Screw Alloy Steel Plain Finish | ASMC Industrial
4.0mm Locking Screws - TribeVet
16 Pack T-Nut Screw Replacement Sets,Compatible with Rail Mount, with Thread Locking Screws, Wrench and Nuts, Hardware for Standard Rail Systems (16 x Screws, 16 x Nuts and 3 x Wrench)…: Amazon.com: