Stop Collars | McMaster-Carr

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System of Measurement

Shaft Diameter

Construction

Material

Shaft Type

Round with Support Rail

Shaft Mount Type

Width

Finish

Clamping Screw Material

Stainless Steel

Steel

Number of Clamping Screws Included

Thread Size

Set Screw Material

Shaft Width

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Keyway Width

Number of Set Screws Included

Length

Clamping Screw Finish

Drill Bit Size

Overall Length

Nut Type

3,491 Products

Power Transmission

Shaft Collars

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

2,802 products

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

12 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

Fabricating and Machining

Drill Stops

Limit how far bits can drill to create identical hole depths every time

145 products

Building and Machinery Hardware

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

6 products

Adjustable Handles

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

21 products

Fluid Handling

Pipe and Pipe Fittings

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

24 products

Safety Equipment

Fire Stops

Prevent fire and smoke from passing through holes in fire-resistant walls and floors

8 products