8-32 Nuts | McMaster-Carr

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System of Measurement

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Material

Nut Type

Hex Nut Profile

Height

Finish

Cadmium Yellow-Chromate Plated

Chrome Plated

Corrosion-Resistant Coated

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Thread Direction

Locking Type

Performance

Thread Type

Screw Size

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For Aluminum Rivet Nut Thread Size

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Specifications Met

Federal Specification

NAS

UL 50

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Thread Fit

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Fastener Strength Rating

Length

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Washer Material

400 Series Stainless Steel

Steel

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1,930 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

40 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

40 products

Flange Nuts

The flange distributes pressure, so you don't need a washer

13 products

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

20 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

32 products

Square Nuts

Flat sides won’t spin in channels and square holes

5 products

Coupling Nuts

Connect and extend threaded rods

12 products

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

2 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

2 products

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

32 products

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

36 products

Threaded Inserts

Create new threads or repair stripped threads

159 products

Weld Nuts

Weld to metal surfaces to add permanent threads

30 products

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

7 products

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

7 products

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

1 product

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

12 products

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

3 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

3 products

Binding Barrels and Screws

Thread together for a low-profile fastener

164 products

Binding Barrels

Pair with a screw to create a custom low-profile fastener

24 products

Binding Barrel Extensions

Add length to a binding barrel

112 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

691 products

Thread Adapters

Join threads of a different type, size, and gender

245 products

Studs

Press, weld, or screw in place to add a threaded fastening point

24 products

Thumb Screws

Tighten and loosen by hand without the need for tools

3 products

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Install and remove blind, solid, hollow, and other types of rivets

1 product

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

2 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

5 products

Power Transmission

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

5 products

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

4 products