King Enterprises

Metal Bolt Nuts are essential fastening components used in a variety of applications across industries, including construction, automotive, and machinery. These nuts are designed to securely fasten bolts, providing strength and stability to assembled structures.

Crafted from high-quality materials such as stainless steel, carbon steel, alloy steel, or brass, Metal Bolt Nuts offer exceptional durability and corrosion resistance, making them suitable for both indoor and outdoor environments. Available in a range of sizes from M2 to M30 (or 1/8” to 1”), these nuts feature metric or imperial threads, ensuring compatibility with various bolt types.

Made from high quality steel and hardening with latest machines

Fully polished and grinded

14mm to 40mm
1/2To 1.5inch
Castle nuts have a distinctive design that sets them apart from other types of nuts. The nut features a series of slots or notches cut into the end, allowing a cotter pin or wire to be inserted through the slots and bent over to create a secure lock.

14mm to 40mm all size
Metric Slotted Hexagon Nuts are hexagon shaped along the entire length of the nut with slots cut in the top. Nominal sizes M10 and below are available in Slotted Hexagon Nuts. Metric Castellated Hexagon Nuts are hexagon shaped on the bottom and round on the top where the slots are located.

Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. See our nut compatibility chart to determine the compatible heavy hex nut(s) for a specific grade of bolt.

1/2 to 2L All size available
Hex nuts are six sided general purpose nut with internal screw threads. Hex nuts are one of the most common hexagonal fastener with internal threads that screws on to the shank of a hex head cap screw or other bolts. Hex jam nuts, heavy hex nuts, and lock nuts are just a few types of hex nuts we carry.