Nut Washers | McMaster-Carr

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3,635 Products

Fastening and Joining

Flange Nuts

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Easy to tighten and loosen by hand for making frequent adjustments

Cap Nuts

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

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Weld Nuts

Weld to metal surfaces to add permanent threads

Screw-Mount Nuts

Screw-Mount Nuts

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

Push Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Rivet Nuts

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

Snap-In Nuts

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

Rivet-Mount Nuts

Rivet-Mount Nuts

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

Press-Fit Nuts

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

Clip-On Nuts

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

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Lock Washers

Resist vibration to prevent fasteners from loosening

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Standoffs

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

Fabricating and Machining

Clamps

Hold workpieces securely in place

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

Lathe Chuck Jaw Nuts

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

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

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Electrical

Split-Bolt Connectors

Split-Bolt Connectors

Splice large wire sizes without special tools

Facility and Grounds Maintenance

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Building and Machinery Hardware

Leveling Mount Inserts

Leveling Mount Inserts

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)