Rectangular Nuts | McMaster-Carr

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Base Thickness

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Barrel Height

Base Height

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Screw Size

Threading

1,306 Products

Fastening and Joining

Weld Nuts

Weld to metal surfaces to add permanent threads

235 products

Clip-On Nuts

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

143 products

Push Nuts

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

25 products

Snap-In Nuts

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

99 products

Rivet-Mount Nuts

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

41 products

Adhesive-Mount Nuts

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

46 products

Square Nuts

Flat sides won’t spin in channels and square holes

160 products

Snap-In Nut Tools

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

3 products

Fabricating and Machining

T-Slot Nuts

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

314 products

T-Tracks

A versatile foundation for custom fixturing setups

3 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

50 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

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

187 products