Closely spaced metric threads prevent these nuts from loosening due to vibration. About 25% stronger than medium-strength steel nuts, these nuts are comparable in strength to Class 10.9 nuts.

Mil. Spec. High-Strength Steel Hex Nuts

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

High-Strength Steel Hex Nuts with Material Test Report

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

Low-Strength Steel Hex Nuts

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

Metric Low-Strength Steel Hex Nuts

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

Metric Fine-Thread Low-Strength Steel Hex Nuts

18-8 Stainless Steel Hex Nuts

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

Metric 18-8 Stainless Steel Hex Nuts

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

Metric Fine-Thread 18-8 Stainless Steel Hex Nuts

Mil. Spec. 18-8 Stainless Steel Hex Nuts

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

JIS 18-8 Stainless Steel Hex Nuts

These metric nuts meet JIS (Japanese industrial Standard) B 1181.

Metric Super-Corrosion-Resistant
316 Stainless Steel Hex Nuts

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

Super-Corrosion-Resistant
316 Stainless Steel Hex Nuts

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

Ultra-Corrosion-Resistant Alloy
20 Stainless Steel Hex Nuts

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

High-Temperature High-Strength
A286 Stainless Steel Hex Nuts

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

High-Strength 17-4 PH Stainless Steel Hex Nuts

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

Seize-Resistant High-Strength
410 Stainless Steel Hex Nuts

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

Super-Corrosion-Resistant
High-Strength Bumax 88 Hex Nuts

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

Brass Hex Nuts

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

Metric Brass Hex Nuts

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

Metric Fine-Thread Brass Hex Nuts

These brass nuts resist rusting from water and have closely spaced threads to prevent loosening from vibration.

Metric Nylon Hex Nuts

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

Fiberglass Hex Nuts

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

Glass-Filled Nylon Hex Nuts

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

Impact-Resistant Polycarbonate Hex Nuts

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

Acid-Resistant PVC Hex Nuts

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

High-Temperature Chemical-Resistant PTFE Hex Nuts

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.

Water-Resistant Acetal Hex Nuts

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

Bronze Hex Nuts

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

Metric Bronze Hex Nuts

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

Aluminum Hex Nuts

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

Metric Aluminum Hex Nuts

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

Nickel Alloy Hex Nuts

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

Super-Corrosion-Resistant Nickel Alloy Hex Nuts

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

Titanium Hex Nuts

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

Metric Titanium Hex Nuts

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

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