Locking Collars | McMaster-Carr

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3,475 Products

Power Transmission

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Adjustable Handles

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

Material Handling

Pipe Hangers

Suspend pipe, conduit, and tube from threaded rods, hooks, and straps

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