These nuts are suitable for fastening most machinery and equipment.

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

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

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

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

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

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

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

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

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

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.

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

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

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.

These nuts have good chemical resistance.

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

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. Made of Grade 2 and Class 04 steel, these nuts can be used for fastening panels and other light duty fastening applications.

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

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

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

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.

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

Grade 5 locknuts are suitable for fastening most machinery and equipment when used in conjunction with a standard hex nut.

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.

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

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.

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.

About half the height and 10% wider than standard flex-top locknuts, use these locknuts in low-clearance applications or jam one against an extra-wide hex nut to hold it in place.

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.

High-strength steel locknuts are about 25% stronger than medium-strength steel locknuts.

About two-thirds the height of standard steel-insert locknuts, use these locknuts in low-clearance applications or jam one against a hex nut to hold it in place.

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

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

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

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.

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

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

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

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.

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

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

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

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

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

Cover exposed threads with these caps to help prevent bacteria growth in food processing areas and other sanitary environments.

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

Stronger than stainless steel, these nuts are comparable in strength to Grade 9 bolts.

Attach these slip-on nuts at any point on a threaded rod for quick installation.

The most tamper-resistant nuts we offer, these have a hex head that breaks away upon tightening, leaving a non-removable cone. Install with a standard wrench.

Connect two differently sized male-threaded parts, such as threaded rods, and tighten with a standard wrench.

Change thread sizes or types, such as fine to coarse threads, on parts without changing gender.

Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.

Thread these one-piece collars onto an Acme lead screw.

Tighten these jam nuts against the turnbuckle body to prevent the fitting from loosening.

Create your own lifting eye by adding an eye nut to a stud or bolt.