Square Flanges | McMaster-Carr

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240 Products

Building and Machinery Hardware

Press-Fit Framing Rail Ends

Bolt rails to floors, walls, and ceilings to secure your press-fit structure

6 products

Press-Fit Framing Rails

Set up temporary partitions, guards, and displays using only a hammer

3 products

Slip-On Framing Rail Ends

Mount slip-on framing structures to floors, walls, and ceilings

36 products

Slip-On Framing Rail Supports

Brace long runs of slip-on framing rails, either along walls or through them

4 products

Clamp-On Framing Rail Ends

Connect to clamp-on framing rails to mount your structure to floors, walls, and ceilings

8 products

Clamp-On Framing Rail Supports

Run clamp-on framing rails in parallel to support long lengths without additional components

16 products

Flush-Fit Framing Rail Ends

Secure flush-fit framing structures to floors, walls, and ceilings

2 products

Fluid Handling

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

62 products

Power Transmission

Linear Bearings

Minimize friction as parts move along a shaft

77 products

Fastening and Joining

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

4 products