These nuts are suitable for fastening most machinery and equipment.

Class 8 nuts are comparable in strength to Class 8.8 bolts and are suitable for fastening most machinery and equipment.

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

These metric nuts meet JIS (Japanese Industrial Standard) B1181.

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

About 25% stronger than medium-strength steel nuts, these nuts are comparable in strength to Class 10.9 nuts.

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.

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

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

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.

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

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

These nuts have good chemical resistance and may be mildly magnetic. Metric 18-8 stainless steel is also known as A2 stainless steel.

These metric nuts meet JIS (Japanese Industrial Standard) B1181.

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.

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

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

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

Hardened for added strength, these nuts are more corrosion resistant to chemicals and salt water than 18-8 stainless steel nuts.

Comparable in strength to Grade 5 steel and as resistant to chemicals and salt water as 316 stainless steel.

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

These nuts resist sticking during installation and are comparable in strength to Grade 5 steel.

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

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

One-third the weight of steel, these aluminum nuts are corrosion resistant in wet evironments and nonmagnetic.

One-third the weight of steel, these metric aluminum nuts are corrosion resistant in wet evironments and nonmagnetic.

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

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.

Polycarbonate nuts stand up to oil, grease, and detergents.

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

These metric nuts resist oil, grease, and solvents (except mineral acids).

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

Polypropylene nuts resist organic solvents and degreasing agents.

These nuts have a high strength-to-weight ratio and resist acids and salt water.

Ceramic nuts won't melt, seize, or become brittle—even at temperatures up to 3000° F.

These metric nuts have a high strength-to-weight ratio and resist acids and salt water.

Made from nylon 6/6, these nuts resist oil, grease, and solvents (except mineral acids).

For use in wet environments, acetal nuts resist alcohol, gasoline, and solvents.

Glass-filled nylon nuts are stronger than nylon 6/6 nuts. They resist oil, grease, and solvents (except mineral acids).

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.

More corrosion resistant than 400 nickel nuts, these nuts are often used in marine environments and chemical-processing plants.

PVC nuts resist acids, alkalies, salt solutions, and alcohol.

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

Made from Grade 2 steel, these nuts should be used for light duty fastening applications, such as securing access panels.

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

Half as thick as regular hex nuts, these nuts fit into spaces with low height clearances. They are about half as strong as medium-strength steel, and are often used for light duty applications, such as securing access panels.

These nuts are half the height of standard hex nuts, and have closely spaced threads to prevent loosening from vibration. Half as strong as medium-strength steel nuts, they are often used for light-duty applications, such as fastening signs in place.

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

Useful in low-clearance applications, these metric nuts are roughly half the height of standard hex nuts, but aren’t as strong. All are 18-8 stainless steel, which is nearly as strong as steel but won’t rust in outdoor, washdown, and other corrosive environments.

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

Made with fine-pitch threads, vibration is less likely to loosen these metric nuts than those with coarse-pitch threads since the threads sit closer together. Also called jam nuts, they are roughly half the height of standard hex nuts, so they’re good for applications with low clearance.

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

These metric nuts are made of 316 stainless steel and half as tall as regular hex nuts—use them around chemicals and salt water when space is limited.

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

Made from brass, these metric nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. About half the height of standard hex nuts, they are useful in low-clearance applications but have less tensile strength.

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

Plastic nuts are chemical resistant, nonconductive, and lightweight.

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

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

These nuts are comparable in strength to Grade 9 bolts.

Comparable in strength to Class 12.9 bolts.

Also kown as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts to distribute load over a large area.

About half the strength of medium-strength steel extra-wide hex nuts, use these nuts for light duty fastening applications, such as securing access panels.

These Class 10 nuts are about 25% stronger than medium-strength steel extra-wide hex nuts.

These nuts have good chemical resistance.

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

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

More corrosion resistant than 18-8 stainless steel nuts, these nuts can be used in saltwater environments.

Able to maintain their strength in high-pressure and high-temperature environments, these nuts are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges.

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

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.

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

Also known as small-pattern hex nuts, these are about 20% narrower than standard hex nuts for use in tight spaces where standard hex nuts won’t fit.

These 18-8 stainless steel nuts have good chemical resistance and may be mildly magnetic.

50% taller than standard hex nuts, these metric nuts provide a larger gripping area for installation with a wrench.

Stainless steel nuts have excellent corrosion resistance in most environments.

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

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.

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

Stainless steel nuts have excellent corrosion resistance in most environments.

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

For light duty applications, choose these metric-sized coupling nuts.

Made from Grade 8 steel, these nuts are about 25% stronger than medium-strength steel coupling nuts. Furnished in inch thread sizes.

These metric-sized coupling nuts are Class 10 steel, so they’re about 25% stronger than medium-strength steel coupling nuts.

Choose these locknuts to fasten standard metric threads. They’re Class 8 steel, so they can be used in most fastening 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.

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

These coupling nuts have good chemical resistance.

These metric coupling nuts have good chemical resistance.

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

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

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

Plastic coupling nuts are chemical resistant, nonconductive, and lightweight.

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

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

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

Use the sight hole to check for proper thread engagement.

These locknuts have good chemical resistance.

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

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

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

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

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

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

These Grade 9 locknuts are about 20% stronger than high-strength steel locknuts and are often used in heavy machinery, such as earth-moving equipment.

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

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

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

These locknuts have good chemical resistance.

Comparable in strength to Grade 8 bolts, these locknuts are about three times stronger than low-strength steel extra-wide thin locknuts.

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

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

These locknuts have good chemical resistance.

Made from medium-strength steel with a nylon insert, these Class 8 metric locknuts are strong enough to use on most machinery and equipment that’s prone to vibration and temperature changes.

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

Get a grip on metric bolts exposed to vibration, wear, and changes in temperature. These metric locknuts have a nylon insert that holds onto bolts without damaging their threads.

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.

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.

Closely spaced metric threads prevent loosening from vibration. These Class 10 steel locknuts are 25% stronger than our medium-strength steel nylon-insert locknuts.

A nylon insert keeps metric bolt threads from coming loose due to vibration, wear, and temperature swings. About 25% stronger than medium-strength steel locknuts, these nuts are made of high-strength, Class 10 steel.

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 locknuts have good chemical resistance.

Brass locknuts are corrosion resistant in wet environments and electrically conductive.

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

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