Collars | McMaster-Carr

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System of Measurement

Shaft Diameter

0.235" to 0.500"

0.235" to 0.625"

0.235" to 0.750"

0.235" to 0.875"

0.360" to 1.000"

0.360" to 1.125"

0.360" to 1.250"

Material

Garolite G-10/FR4

Grade 2 Titanium

Hastelloy C276 Nickel

Molybdenum Disulfide

Stainless Steel

Construction

OD

0.1562" to 2.75"

Shaft Type

Acme Lead Screw

Round with Support Rail

Shaft Mount Type

Width

ID

0.0135" to 2.2656"

1/64" to 11/16"

Finish

Aluminum-Zinc Alloy Coated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Nickel Chrome Plated

Phosphate Coated

Titanium Nitride (TiN) Coated

Length

0.2500" to 3.0000"

Thread Size

Clamping Screw Material

Stainless Steel

Number of Clamping Screws Included

Screw Size

Set Screw Material

Stainless Steel

Performance

Abrasion Resistant

Adjustable Width

Bearing Quality

Chemical Resistant

Corrosion Resistant

Easy Thermoform

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Shaft Width

Shape

Keyway Width

Pipe Size

How can we improve?

22,712 Products

Shaft Collars

Set Screw Shaft Collars

Set Screw Shaft Collars

Dig into shafts for a tight, secure hold

Two-Piece Shaft Collars

Two-Piece Shaft Collars

Attach anywhere along a shaft when other components are installed or you can't access the ends

Shaft Collars

Grip firmly and evenly without marring your shaft

Quick-Release Shaft Collars with Lever

Quick-Release Shaft Collars with Lever

Flip the lever to install, reposition, and remove

Flange-Mount Shaft Collars

Flange-Mount Shaft Collars

Mount components as needed into the tapped and unthreaded holes on the flange

Oversized Two-Piece Shaft Collars

Oversized Two-Piece Shaft Collars

Wider and thicker with a larger clamping screw than standard two-piece collars for a stronger grip

Square Two-Piece Shaft Collars

Square Two-Piece Shaft Collars

Grip square shafts evenly without marring them

Plastic Set Screw Shaft Collars

Plastic Set Screw Shaft Collars

Lightweight alternatives to metal collars that dig into shafts for a tight, secure hold

Oversized Shaft Collars

Oversized Shaft Collars

Wider and thicker with a larger clamping screw than standard collars for a stronger grip

Hinged Shaft Collars

Hinged Shaft Collars

Combine the versatility of a two-piece collar with the no-fuss installation of a one-piece design

Plastic Two-Piece Shaft Collars

Plastic Two-Piece Shaft Collars

Attach these lightweight alternatives to metal collars anywhere along a shaft

Set Screw Two-Piece Shaft Collars

Set Screw Two-Piece Shaft Collars

Attach anywhere along a shaft and the set screw digs in for a tight, secure hold

Two-Piece Shaft Collars with Wrench Flats

Two-Piece Shaft Collars with Wrench Flats

Turn drive shafts with a wrench without marring or gouging them

Top-and-Bottom-Mount Two-Piece Shaft Collars

Top-and-Bottom-Mount Two-Piece Shaft Collars

Add anywhere on a shaft to attach components or stack additional top-and-bottom-mount collars

Face-Mount Shaft Collars

Face-Mount Shaft Collars

Mount components into the tapped holes on the face

Plastic Shaft Collars

Plastic Shaft Collars

Lightweight alternatives to metal collars that won't mar your shaft

Shaft Collars with Lever

Shaft Collars with Lever

Turn the lever like a ratchet for frequent setup changes in tight spaces

Hex Shaft Collars

Hex Shaft Collars

Clamp evenly onto hex shafts without marring them

Extra-Wide Shaft Collars

Extra-Wide Shaft Collars

Wider with more clamping screws than standard collars for a stronger grip

Extra-Wide Two-Piece Shaft Collars

Extra-Wide Two-Piece Shaft Collars

Wider with more clamping screws than standard two-piece collars for a stronger grip

Hex Two-Piece Shaft Collars

Hex Two-Piece Shaft Collars

Attach anywhere along hex shafts and grip evenly without marring them

Two-Piece Shaft Collars with Lever

Two-Piece Shaft Collars with Lever

Snap onto your shaft and turn the lever like a ratchet for frequent setup changes in tight spaces

Finish-Your-Own-Bore Two-Piece Shaft Collars

Finish-Your-Own-Bore Two-Piece Shaft Collars

Machine the bore to the exact size you need and attach collars anywhere along your shaft

Quick-Release Shaft Collars with Pull Ring

Quick-Release Shaft Collars with Pull Ring

No tools required—pull the end ring to reposition or remove

Support-Rail Two-Piece Shaft Collars

Support-Rail Two-Piece Shaft Collars

Attach anywhere along your shaft to create an end stop for sliding components

Finish-Your-Own-Bore Shaft Collars

Finish-Your-Own-Bore Shaft Collars

Machine the bore for an exact fit with your shaft

Plastic Quick-Release Shaft Collars with Pull Ring

Plastic Quick-Release Shaft Collars with Pull Ring

Pull the end ring to reposition or remove these lightweight alternatives to metal collars

Precision-Ground-Face Shaft Collars

Precision-Ground-Face Shaft Collars

Mount snugly against precision bearings, sprockets, and gears

D-Profile Shaft Collars

Clamp evenly onto D-profile shafts without marring them

Adjustable-Width Shaft Collars

Adjustable-Width Shaft Collars

Set the stroke length of your guide rod or shaft with micrometer-like precision

Tight-Hold Shaft Collars

Tight-Hold Shaft Collars

Withstand up to three times the thrust load of standard collars

Top-and-Bottom-Mount Shaft Collars

Top-and-Bottom-Mount Shaft Collars

Attach components or stack additional top-and-bottom-mount collars

Finish-Your-Own-Face Shaft Collars

Finish-Your-Own-Face Shaft Collars

Machine any slots, holes, and grooves you need into the face

D-Profile Two-Piece Shaft Collars

Attach anywhere along D-profile shafts and grip evenly without marring them

Support-Rail Shaft Collars

Support-Rail Shaft Collars

Create an end stop for carriages, bearings, and other sliding components

Other Products

Rigid Shaft Couplings

Rigid Shaft Couplings

Join two shafts that are aligned and handle higher torque than flexible shaft couplings

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Threaded Rod Collars

Threaded Rod Collars

Hold and position parts on a threaded rod

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

Duct and Fittings

Duct and Fittings

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

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

Cross-Bracing Washers

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Bearing Nuts

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

Easy to tighten and loosen by hand for making frequent adjustments

Pipe Hangers

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Plastic

A lightweight alternative to metal and glass

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Drill Stops

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

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Weld Nuts

Weld to metal surfaces to add permanent threads

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Flange Nuts

The flange distributes pressure, so you don't need a washer

Slip-On Framing Rail Mounts

Slip-On Framing Rail Mounts

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

Finishing Washers

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Floor, Wall, and Ceiling Plates

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

Ring Gauge Holders

Ring Gauge Holders

Keep ring gauges still to measure cylindrical parts or threads quickly and repeatedly

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Flush-Fit Framing Rail Ends

Flush-Fit Framing Rail Ends

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

Adjustable Handles

Adjustable Handles

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

Scaffold Clamps

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

Connectors for Telescoping Tubes

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Fire Sprinkler Head Cover Plates

Fire Sprinkler Head Cover Plates

Replace the cover on your fire sprinkler head for a clean look; also known as escutcheons

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

Pallet Collars

Enclose your pallet to make a custom crate with no tools required

T-Slotted Framing Locking Collars

T-Slotted Framing Locking Collars

Clamp and release telescoping T-slotted rails to make adjustments

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

Padlock Hanging Chains

Padlock Hanging Chains

Attach padlocks that aren't in use to walls and workstations to prevent losing them

Pipe Collars

Clamp pipe passing through floors and walls

Exhaust Fan Collars

Exhaust Fan Collars

Connect exhaust fans to louvers

Slotted Bushings

Slotted Bushings

Pair with a standard bushing to prevent alignment pins from binding in your fixture

Drill Chuck Replacement Parts

Drill Chuck Replacement Parts

Replace collars, shells, ball bearings, and other parts on drill chucks

Tube Fittings

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

Exhaust Fans

Draw stagnant and humid air out of a room or area

Tool Tether Attachments

Tool Tether Attachments

Slide onto tools to connect them to equipment lanyards

Chimney Storm Collars

Chimney Storm Collars

Pair with chimney roof flashing to prevent leaks where chimneys pass through roofs

Fire Stops

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

Toilet Mounts

Secure toilet components with flanges and hardware kits

Pipe Flashing Seals

Pipe Flashing Seals

Slide over roof flashings for a watertight seal without the need for caulk

Backup Pad Retaining Nuts

Backup Pad Retaining Nuts

Thread onto your tool’s arbor to hold a sanding disc against the backup pad

Urinal Flanges

Connect a urinal to your drainage system

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Bottle Tags

Slip onto bottles to color code their contents

Manhole Riser Rings

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

Press-Fit Framing Rail Mounts

Press-Fit Framing Rail Mounts

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

Slip-On Framing Stop Collars

Slip-On Framing Stop Collars

Prevent slip-on fittings from moving too far along rails and support fittings under heavy loads

Pipe Expansion Joints

Pipe Expansion Joints

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

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Driver Extension Adapters

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

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