Locking Collars | McMaster-Carr

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System of Measurement

Shaft Diameter

Construction

Material

Shaft Type

Round with Support Rail

Width

Shaft Mount Type

Finish

Clamping Screw Material

Stainless Steel

Steel

Number of Clamping Screws Included

Shaft Width

Thread Size

Set Screw Material

Keyway Width

Clamping Screw Finish

Pipe Size

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Length

Number of Set Screws Included

Component

Keyway Depth

3,473 Products

Power Transmission

Shaft Collars

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

2,725 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Bearing Nuts

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

412 products

Fastening and Joining

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Material Handling

Pipe Hangers

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

133 products

Fluid Handling

Pipe and Pipe Fittings

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

24 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

2 products

Clamp-On Framing and Fittings

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

15 products

Adjustable Handles

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

21 products