Use these general purpose 18-8 stainless steel screws for a variety of fastening applications. They have good chemical resistance.

With a tensile strength of 170,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws and are more than twice as strong as stainless steel wire-lockable screws. These resist vibration better than any other socket head screw.

More corrosion resistant than 18-8 stainless steel screws, these button head screws have excellent resistance to chemicals and salt water. They may be mildly magnetic.

Brass button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.

Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. For use in high-strength fastening applications.

These screws are made to stringent Army-Navy specifications that ensure performance and reliability. They're comparable in strength to Grade 5 steel screws.

Choose these screws for their adherence to strict military standards for material and construction. Screws are 18-8 stainless steel for good chemical resistance.

Bronze screws are 30% stronger than brass screws and provide more corrosion resistance to salt water, gases, and sewage. They are nonmagnetic and electrically conductive.

Place a cotter pin through the hole in the shank to keep a nut from loosening. These screws have a stronger hold than screws with thread lockers or lock washers.

More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They may be mildly magnetic.

Made from 18-8 stainless steel, these set screws have good chemical resistance.

Brass set screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.

Made from black-oxide alloy steel, these set screws resist corrosion in dry environments. They dig into hard surfaces for a secure hold and have serrations on the cup edge that grip the material surface to resist loosening.

The tip makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.

With a tip that's harder than nylon and silver, these alloy steel set screws provide a secure hold on hard surfaces. The body has a black-oxide finish to resist corrosion in dry environments.

Also known as jam set screws, these lock other screws in place, hold pins, and adjust spring tension. A black-oxide finish provides corrosion resistance in dry environments.

Also known as half dog-point set screws, these set screws have a protruding tip that locks within a mating hole or slot to keep parts aligned.

These alloy steel set screws have a pointed tip that wedges into the contact surface for a secure hold on soft materials such as brass.

Choose these nuts for their adherence to strict military standards for material and construction.

About half the strength of medium-strength steel nuts, these nuts are for light duty fastening applications.

These nuts are about 25% stronger than medium-strength steel nuts.

Tighten these nuts by turning them to the left; once fastened, they resist loosening from counterclockwise motion.

Choose these nuts for their adherence to strict military standards for material and construction.

These nuts have excellent chemical resistance and can be used in saltwater environments.

Stainless steel sealing nuts have excellent corrosion resistance in most environments.

Fiberglass nuts are stronger than nylon 6/6 nuts. They resist acids, solvents, salt water, and oil.

PTFE nuts withstand temperatures up to 500° F. They resist oil, grease, detergents, and most mineral acids. They're the lowest friction plastic nuts we offer, so they thread on smoothly.

These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. They’re Grade 5 steel, so you can used these inch-sized nuts for most fastening applications.

These nuts should be used for light duty fastening applications, such as securing access panels.

These nuts have good chemical resistance and may be mildly magnetic.

Choose these nuts for their adherence to strict military standards for material and construction.

With threads that tighten to the left and made of 316 stainless steel, these nuts won’t loosen from counterclockwise motion in saltwater and corrosive environments. They’re half the height of standard hex nuts, so they fit where there’s low clearance.

These nuts have good chemical resistance. Considered heavy hex nuts, they are about 10% wider and taller than standard hex nuts and distribute the load over a large area.

These nuts have good chemical resistance. They maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. About 10% wider and taller than standard hex nuts, these heavy hex nuts distribute the load over a large area.

Made from Grade 5 steel, these locknuts are suitable for fastening most machinery and equipment.

Choose these locknuts for their adherence to strict military standards for material and construction. They’re low-strength steel, so they should be used for fastening panels and other light duty fastening applications.

More corrosion resistant than 18-8 stainless steel locknuts, these locknuts have excellent resistance to chemicals and salt water.

Choose these locknuts for their adherence to strict military standards for material and construction.

These locknuts have good chemical resistance and may be mildly magnetic.

More corrosion resistant than 18-8 stainless steel locknuts, these have excellent resistance to chemicals and salt water.

These locknuts have an irregularly shaped thread at the top of the nut that grips the bolt for a stronger hold than nylon-insert locknuts.

These locknuts have good chemical resistance.

Use these locknuts for light duty fastening applications, such as securing access panels.

About half the strength of medium-strength steel locknuts, these are for light duty fastening applications, such as securing access panels.

Threads at the top of these locknuts expand to grip the bolt on all sides for a stronger hold than distorted thread locknuts.

Known for their strength, these steel locknuts are cadmium plated to resist corrosion in wet environments.

About half the strength of medium-strength steel flange locknuts, these are for light duty fastening applications, such as securing access panels.

Grade F nuts are comparable in strength to Grade 5 bolts.

For a stronger hold than nylon-insert flange locknuts, these locknuts grip the bolt with an irregularly shaped thread. Made from Grade 5 steel, these locknuts are a good choice for fastening most machinery and equipment.

These flange nuts have a black-oxide finish for mild corrosion resistance in dry environments.

Made from Grade 8 steel, these nuts are about 25% stronger than medium-strength steel flange nuts.

Made from 18-8 stainless steel, these flange nuts have good chemical resistance.

Fiberglass flange nuts are chemical resistant, nonconductive, and lightweight.

About half the strength of medium-strength steel coupling nuts, these nuts are for light duty fastening applications.

These coupling nuts have good chemical resistance.

Brass coupling nuts are corrosion resistant in wet environments and electrically conductive.

Stainless steel coupling nuts have excellent corrosion resistance in most environments.

These wing nuts have good chemical resistance and may be mildly magnetic.