Plastic Nuts | McMaster-Carr

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Cadmium Yellow-Chromate Plated

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Zinc Yellow-Chromate Plated

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Electrically Insulating

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

For Use In

Tube Material

Nut Material

For Conduit Material

Insulation Material

Polybutylene/Polycarbonate

Fastener Strength Rating

4,592 Products

Fastening and Joining

Locknuts

Hold fasteners in place to prevent loosening from vibration

792 products

Hex Nuts

Handle most general fastening needs

162 products

Flange Nuts

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

87 products

Cap Nuts

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

42 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

48 products

Square Nuts

Flat sides won’t spin in channels and square holes

11 products

Coupling Nuts

Connect and extend threaded rods

14 products

Threaded Inserts

Create new threads or repair stripped threads

854 products

Rivet Nuts

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

100 products

Snap-In Nuts

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

22 products

Press-Fit Nuts

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

15 products

Standoffs

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

958 products

Binding Barrels and Screws

Thread together for a low-profile fastener

35 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

1 product

Captive Panel Screws

Secure panels and enclosures while still having access to them

14 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

20 products

Thread Adapters

Join threads of a different type, size, and gender

5 products

Retaining Rings

Hold components on a shaft

12 products

Push Nut Installation Tools

Press nuts and retaining rings onto threaded fasteners and shafts

12 products

Socket Retaining Rings

Secure sockets and adapters to impact tools

36 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

27 products

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

1 product

Nutdrivers

Tighten and loosen nuts and bolts

114 products

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

5 products

Screwdrivers

Tighten and loosen screws

2 products

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

Power Transmission

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

163 products

Lead Screws and Nuts

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

192 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

1 product

Strut Channel Framing and Fittings

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

16 products

T-Slotted Framing and Fittings

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

2 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

77 products

Electrical

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

51 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

275 products

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

12 products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

20 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

62 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

6 products

Material Handling

Cable Holders

Mount to a surface to secure and route cable

126 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

66 products

Facility and Grounds Maintenance

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

8 products