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

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

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

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

These nuts tighten when turned 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.

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

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

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.

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

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 tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. Made of Grade 2 and Class 04 steel, these nuts can be used for fastening panels and other light duty fastening applications.

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.

Plastic nuts are chemical resistant, nonconductive, and lightweight.

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

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.

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

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

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

Stainless steel nuts have excellent corrosion resistance in most environments.

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

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

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

These locknuts have good chemical resistance.

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

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

These locknuts are about half the height of standard nylon-insert locknuts. Use them in light duty low clearance applications or jam one against a hex nut to hold it in place.

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

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.

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

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

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 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 tighten when turned to the left.

These locknuts have good chemical resistance.

Made from 18-8 stainless steel, these flex top locknuts have good chemical resistance and may be mildly magnetic.

Stainless steel locknuts have excellent corrosion resistance in most environments.

Stainless steel locknuts have excellent corrosion resistance in most environments.

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

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

Made from 18-8 stainless steel, these flange locknuts have good chemical resistance and may be mildly magnetic

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

These flange locknuts have excellent resistance to chemicals and salt water. They have an irregularly shaped thread that grips the bolt for a stronger hold than nylon-insert flange locknuts.

These Grade 5 flange nuts are suitable for fastening most machinery and equipment.

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

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

Stainless steel nuts have excellent corrosion resistance in most environments.

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

The left-hand threads on these coupling nuts resists loosening from counterclockwise vibration. Use in light duty applications.

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

These coupling nuts have good chemical resistance.

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

A smooth rounded body provides a finished look.

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

These cap nuts have excellent resistance to chemicals and salt water.

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

These nylon 6/6 cap nuts are chemical resistant, nonconductive, and lightweight.

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