1/4-20 J995 GR 8 Nylon Insert Hex Flange Lock Nut Zinc Yellow

Nylon Insert Hex Flange Nuts — otherwise known as Nylok™ Flange Nuts, Flange Stop Nuts, Plastic Insert Flange Lock Nuts, Non-Metallic Insert Flange Nuts, or Polyamide Flange Lock Nuts — are designed with a built-in washer and nylon insert. As the nut is tightened, the bearing load is spread out over a larger area compared to Nylon Insert Hex Nuts — preventing damage to the clamping material (such as truck frames). The nylon locks the nut in place as it grabs onto the thread. Earnest offers the nuts in inch carbon steel (Grade A or 2) and Grade G (8)