Hillman 5/16 In. 18 tpi Steel Course Thread Nylon Insert Lock Nut (100 Ct.) Taylor 7 polymer-modified

7 polymer-modified

travertine

Oatey Gripper plugs mechanically expand to seal the end of a pipe and hold pressure when testing a piping system

or trash collection

Hex shank quick change masonry bits

Hillman 5/16 In. 18 tpi Steel Course Thread Nylon Insert Lock Nut (100 Ct.) Taylor 7 polymer-modifiedThese nylon insert stop & lock nuts are ideal to securely fasten a bolt when connecting materials. Use these hexagonal nuts with bolts and washers of the same material, finish, and grade. The nylon ring inside the nut creates rotational resistance when displaced by a mating male threaded fastener, thus preventing loosening. The nylon insert also helps resist vibration and adds extra corrosion resistance.