These nuts are suitable for fastening most machinery and equipment.

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

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

These nuts come with a traceable lot number and a physical and chemical test report.

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

These nuts are about 20% stronger than high strength steel nuts and are often used in heavy machinery.

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.

The most corrosion resistant stainless steel nuts we offer, these nuts resist chemicals and acids in harsh environments.

Often used to fasten parts in engines and turbines, these nuts are comparable in strength to Grade 8 steel.

Commonly used to fasten structural parts and pumps, these nuts are comparable in strength to Grade 8 steel.

PEEK nuts are often used as an alternative to metal hex nuts. They withstand temperatures up to 550° F and resist acids, bases, and salt solutions.

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.

Stronger than PTFE nuts and resistant to solvents, bases, and acids—including hydrochloric and nitric acid—these PVDF nuts are often used in chemical processing equipment.

These nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.

These nuts are resistant to salt water, electrically conductive, and nonmagnetic.

Commonly used in valves, pumps, and shafts, these 400 nickel nuts resist salt water and caustic chemicals.

Made from Grade 5 steel, these inch-sized nuts are suitable for most fastening applications.

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

These nuts are about 25% stronger than medium-strength steel thin hex nuts. Available in inch thread sizes.

These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion.

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

These nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.

Plastic nuts are chemical resistant, nonconductive, and lightweight.

Bronze nuts are stronger and more resistant to salt water than brass nuts.

These nuts are comparable in strength to Grade 9 bolts.

These nuts tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion.

These nuts have good chemical resistance.

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

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

With a height that is 50% taller than standard hex nuts, these nuts provide a larger gripping area for installation with a wrench.

These nuts are often used in conjunction with an extra-wide hex nut to fasten Grade 9 bolts in heavy machinery, such as earth-moving equipment.

Stainless steel nuts have excellent corrosion resistance in most environments.

Includes inch thread sizes. These Grade 8 steel locknuts are 25% stronger than our medium-strength steel nylon-insert locknuts.

Made from low-strength steel, these locknuts should be used for light duty fastening applications, such as securing.access panels.

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

One-third the weight of steel, aluminum locknuts resist corrosion in wet environments.

Titanium locknuts have a high strength-to-weight ratio and are resistant to acids and salt water.

These Grade 8 locknuts are about 25% stronger than medium-strength steel thin locknuts.

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

These locknuts have good chemical resistance.

These locknuts have good chemical resistance.

Also known as Keps and K Lock nuts, these locknuts have a free-spinning tooth lock washer that grips the material surface instead of threads for easy installation and mild vibration resistance.

Comparable in strength to Grade 8 bolts, these locknuts are about 25% stronger than medium-strength steel locknuts.

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

These locknuts have good chemical resistance.

These Grade 8 locknuts are about three times stronger than low-strength steel distorted-thread locknuts.

Use these locknuts 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.

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

Also known as castle nuts, secure these nuts by inserting a cotter pin or safety wire through the slots and a drilled hole in your bolt for mild loosening resistance.

These flange locknuts have serrations that grip the material surface instead of the threads for easy installation and mild vibration resistance.

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

These flange locknuts have excellent resistance to chemicals and salt water.

Grade G nuts are comparable in strength to Grade 8 bolts.

These flange locknuts are comparable in strength to Grade 8 bolts.

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

About half the strength of medium-strength steel flange nuts, use these nuts in light duty fastening applications, such as securing access panels.

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

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

The nut head rotates while the flange remains stationary to prevent scratching the material surface as you tighten the nut.

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

About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.

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

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

Known for their strength, these steel cap nuts have a black-oxide finish to resist corrosion in dry environments.

Low-profile cap nuts are about 20% shorter than standard cap nuts for use in low-profile applications.

These cap nuts offer at least three-times the thread depth of standard cap nuts and are about twice the height.

The nylon cap covers and grips the threads to resist loosening.

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

Made from Grade 5 steel, these inch-sized coupling nuts are suitable for most applications.

Comparable in strength to Grade 9 bolts, these coupling nuts are about 20% stronger than high-strength steel coupling nuts. Available in inch thread sizes.

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

One-third the weight of steel, aluminum coupling nuts resist corrosion in wet environments.

Known for their strength, steel coupling nuts are available with a corrosion-resistant finish.

Also known as clinch style captive nuts, press these nuts into a drilled or punched hole with an arbor press or similar pressure tool.

Wings provide more leverage for greater torque while tightening than knurled-head thumb nuts.

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

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

The flange distributes the load over a large area and reduces stress where the nut meets the material surface.

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

These thumb nuts have good chemical resistance. The flange distributes pressure over a large area to reduce stress on your part.

These thumb nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. The flange distributes pressure over a large area to reduce stress on your part.

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

A smooth base provides more contact with the mating surface than weld nuts with projections.

Projections on the base concentrate the weld and provide room for heat to dissipate.