A nylon insert lock nut is hex shaped, internally threaded with a nylon insert. The nylon material prevents loosening from vibration and cross threads
Brass Nylon Insert Lock Hex Nut UNC 1/4-20 Solid Brass Nylon Lock Nuts - Qty 25
Chinese Qualified Products Brass Mushroom Head Bolt Screw - China Anchor Bolt M20, Bolt Screw
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Phosphor Bronze Fasteners: Phosphor Bronze Bolts, Nuts, Screws, Washer
Franklin Brass Franklin Brass Aluminum Mushroom 1-1/4 in. (32 mm) Champagne Bronze Round Cabinet Knob (10-Pack) P42354Z-CZ-B - The Home Depot
T Nuts are made of Carbon Steel, bolts and washers are made of stainless steel, which features corrosion resistance and rust resistance. Nuts have
1/4-20 Tee Nuts and Bolts 4-Pronged T-Nuts 5/16 Barrel Length with Fully Threaded Button Head Hex Socket Screws 1-1/4 and Washers for Wood Cabinetry
Brass Lock Nut Replaces for 9318120 Replacement for Thrifco Plumbing Specs: 1/8 Inch Brass Lock Nut Package Includes: 1 X Brass Lock Nut Every product
HASMX Replacement 9318120 Brass Lock Nut Replacement for Thrifco Plumbing (1/8 Inch Brass Lock Nut)
Chinese Qualified Products Brass Mushroom Head Bolt Screw - China Anchor Bolt M20, Bolt Screw
Brass Nylon Insert Lock Hex Nut UNC 1/4-20 Solid Brass Nylon Lock Nuts - Qty 25: : Industrial & Scientific
Zenith 1/4 x 38mm Zinc Plated Mushroom Head Bolt And Nut - 10 Pack - Bunnings Australia