Nonmetallic Nuts | McMaster-Carr

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3,067 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

172 products

Cap Nuts

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

39 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

27 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

40 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

7 products

Square Nuts

Flat sides won’t spin in channels and square holes

11 products

Flange Nuts

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

7 products

Coupling Nuts

Connect and extend threaded rods

14 products

Snap-In Nuts

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

22 products

Rivet Nuts

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

37 products

Threaded Inserts

Create new threads or repair stripped threads

1 product

Press-Fit Nuts

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

2 products

Standoffs

Separate, position, or connect components in assemblies

1,020 products

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

35 products

Thread Adapters

Join threads of a different type, size, and gender

12 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

15 products

Hex Head Screws

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

20 products

Nutdrivers

Tighten and loosen nuts and bolts

131 products

Screwdrivers

Tighten and loosen screws

1 product

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

5 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

39 products

Sockets

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

16 products

Socket Wrenches

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

1 product

Snap-In Nut Tools

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

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

1 product

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

10 products

Strut Channel Washers

Pair with hex nuts to connect threaded rod to strut channel

4 products

T-Slotted Framing and Fittings

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

13 products

Leveling Mount Inserts

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

77 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

12 products

Electrical Power, Networking, and Controlling

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

51 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

291 products

Terminal and Splice Kits

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

12 products

Fluid Handling

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

20 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

68 products

Hose and Hose Fittings

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

13 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Power Transmission

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

204 products

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

12 products

Material Handling

Cable Holders

Mount to a surface to secure and route cable

128 products

Loop Clamps

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

412 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

23 products