Four-Bolt Flanges | McMaster-Carr

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1,238 Products

Fluid Handling

Pipe Flanges

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

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Plain Bearings

With no moving parts, the simplest type of bearing

Lead Screws and Nuts

Lead Screws and Nuts

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

Building and Machinery Hardware

Slip-On Framing Rail Ends

Slip-On Framing Rail Ends

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Sealing

Hydraulic Tank Pipe Suction Flanges

Hydraulic Tank Pipe Suction Flanges

Seal pipes passing through top plates of hydraulic tanks

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

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