Volume Discounts and Low Prices!


Fastener Mart offers a huge selection of nuts including

acorn cap, castle, center lock, coupling, flange lock, Flexloc, heavy hex, hex, high, jam, Keps, K-lock, left hand, lock, machine screw, nylon insert lock, prevailing torque lock, slotted, square, stover lock, tee, thick, two way lock, and wing nuts.

Some nuts are available in different grades and some in different materials like aluminum, brass, nylon, silicon bronze, stainless steel and steel. Finishes include hot dip galvanized, phosphate & oil, plain and zinc plated. Domestic (USA) nuts are available along with those from global sources. Click on a nut category below to explore the many different sizes, styles and types available.

Acorn Cap Nuts
Castle Nuts
Center Lock Nuts
Coupling Nuts
Flange Lock Nuts
Flexloc Nuts
Heavy Hex Nuts
Hex Nuts (most common)
High Nuts
Jam Nuts
Keps Nuts
K-Lock Nuts
Left Hand Nuts
Lock Nuts
Machine Screw Nuts
Nylon Insert Lock Nuts
Prevailing Torque Lock Nuts
Slotted Nuts
Square Nuts
Stover Lock Nuts
Tee Nuts
Thick Nuts
Two Way Lock Nuts
Wing Nuts