Right-Hand Threaded Heavy Hex Nuts

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	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Type Thread Type

	Nut Type Nut Type


Hex	Locknut

	Material Material

	Finish Finish

Zinc Plated

Black Oxide

Zinc Yellow-Chromate Plated

Hot-Dipped Galvanized

Black Phosphate

PTFE Coated

Cadmium Plated

	Hex Nut Profile Hex Nut Profile


Extra Wide	Extra-Wide Thin

Standard

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Width Width

	Height Height

	Thread Spacing Thread Spacing

Coarse

Fine

Extra Fine

	Locking Type Locking Type


Nylon Insert	Flex-Top

Steel Insert

	Thread Fit Thread Fit

Class 2B

Class 6H

Class 3B

	Specifications Met Specifications Met

ASTM

DIN

ISO

	Thread Pitch Thread Pitch

	Insert Maximum Temperature Insert Maximum Temperature

250° F

Not Rated

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467 Products

About Nuts, Materials, and Finishes

Extreme-Strength Steel
Extra-Wide Hex Nuts—Grade 2H

These nuts are comparable in strength to Grade 9 bolts.

Metric Extreme-Strength Steel
Extra-Wide Hex Nuts—Grade 2H

Comparable in strength to Class 12.9 bolts.

Medium-Strength Steel
Extra-Wide Hex Nuts—Grade 5

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.

Low-Strength Steel
Extra-Wide Hex Nuts

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.

High-Strength Steel
Extra-Wide Hex Nuts

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

18-8 Stainless Steel
Extra-Wide Hex Nuts

These nuts have good chemical resistance.

Super-Corrosion-Resistant 316
Stainless Steel Extra-Wide Hex Nuts

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

Brass Extra-Wide Hex Nuts

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

Bronze Extra-Wide Hex Nuts

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

18-8 Stainless Steel Extra-Wide Hex
Nuts for High-Pressure Applications

These nuts have good chemical resistance.

Super-Corrosion-Resistant 316
Stainless Steel Extra-Wide Hex
Nuts for High-Pressure Applications

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

Steel Extra-Wide Hex Nuts for
High-Pressure Applications

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.

Extreme-Strength Steel
Extra-Wide Hex Nuts for
Structural Applications—Grade DH

High-Strength Steel Extra-Wide
Hex Nuts for Structural
Applications—Grade C

Extra-Wide Thin Hex Nuts

Low-Strength Steel
Extra-Wide Thin Hex Nuts

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

Extreme-Strength Steel Extra-Wide
Thin Hex Nuts—Grade 2H

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
Extra-Wide Thin Hex Nuts

Stainless steel nuts have excellent corrosion resistance in most environments.

Brass Extra-Wide Thin Hex Nuts

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

High-Strength Super-Corrosion-Resistant 316 Stainless
Steel Hex Nuts for High-Pressure Applications

High-Strength
Super-Corrosion-Resistant
316 Stainless Steel Hex Nuts
for High-Pressure Applications

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

Locknuts

High-Strength Steel Extra-Wide
Thin Nylon-Insert Locknuts

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

Super-Corrosion-Resistant 316
Stainless Steel Extra-Wide
Thin Nylon-Insert Locknuts

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

18-8 Stainless Steel Extra-Wide
Thin Nylon-Insert Locknuts

These locknuts have good chemical resistance.

Low-Strength Steel Extra-Wide
Thin Nylon-Insert Locknuts

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

18-8 Stainless Steel Extra-Wide
Nylon-Insert Locknuts

These locknuts have good chemical resistance.

Super-Corrosion-Resistant 316
Stainless Steel Extra-Wide
Nylon-Insert Locknuts

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

Steel Extra-Wide
Nylon-Insert Locknuts

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

High-Strength Steel Extra-Wide
Steel-Insert Locknuts for
Extreme Vibration—Grade 8

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

Medium-Strength Steel Extra-Wide
Steel-Insert Locknuts for
Extreme Vibration—Grade 5

These locknuts are suitable for fastening most machinery and equipment.

Stainless Steel Extra-Wide Flex-Top
Locknuts for Heavy Vibration

Stainless steel locknuts have excellent corrosion resistance in most environments.

Steel Extra-Wide Flex-Top
Locknuts for Heavy Vibration

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

Extra-Wide Thin Flex-Top
Locknuts for Heavy Vibration

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.

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About Nuts, Materials, and Finishes

Extra-Wide Hex Nuts

Extreme-Strength SteelExtra-Wide Hex Nuts—Grade 2H

Metric Extreme-Strength SteelExtra-Wide Hex Nuts—Grade 2H

Medium-Strength SteelExtra-Wide Hex Nuts—Grade 5

Low-Strength SteelExtra-Wide Hex Nuts

High-Strength SteelExtra-Wide Hex Nuts

18-8 Stainless SteelExtra-Wide Hex Nuts

Super-Corrosion-Resistant 316Stainless Steel Extra-Wide Hex Nuts

Brass Extra-Wide Hex Nuts

Bronze Extra-Wide Hex Nuts

18-8 Stainless Steel Extra-Wide HexNuts for High-Pressure Applications

Super-Corrosion-Resistant 316Stainless Steel Extra-Wide Hex Nuts for High-Pressure Applications

Steel Extra-Wide Hex Nuts forHigh-Pressure Applications

Extreme-Strength SteelExtra-Wide Hex Nuts for Structural Applications—Grade DH

High-Strength Steel Extra-WideHex Nuts for Structural Applications—Grade C

Extra-Wide Thin Hex Nuts

Low-Strength SteelExtra-Wide Thin Hex Nuts

Extreme-Strength Steel Extra-WideThin Hex Nuts—Grade 2H

Stainless SteelExtra-Wide Thin Hex Nuts

Brass Extra-Wide Thin Hex Nuts

High-Strength Super-Corrosion-Resistant 316 StainlessSteel Hex Nuts for High-Pressure Applications

High-StrengthSuper-Corrosion-Resistant 316 Stainless Steel Hex Nuts for High-Pressure Applications