Pins | McMaster-Carr

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21,800 Products

Fastening and Joining

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

Quick-Release Pins

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Linch Pins

Slide into holes on clevis pins and shafts and snap down the locking ring so parts won’t fall off

Made-to-Order Pins

Made-to-Order Pins

Choose a material, size, and end type to create custom pins for keeping components in place

Taper Pins

Fit snugly into tapered holes to secure, position, and align components

Dowel Pin Stock

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

Weld Pins

Weld in place for greater rigidity and strength than other pins

Shear Pins

Use with shear hubs to break at a specific torque and safeguard machinery from overloads

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Spring Plunger Catches

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

Spring Plunger Mounts

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

Studs

Press, weld, or screw in place to add a threaded fastening point

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Tighten and loosen by hand without the need for tools

Gravity Pins

Slip through holes in telescoping tubing and wrap around to secure

Spring Button Clips

Spring Button Clips

Snap the button into place to join pieces of telescoping tubing

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

Machine Key Stock

Machine Key Stock

Cut a custom length to transfer torque from shafts to components such as gears and sprockets

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

Nails

Drive into wood, plastic, drywall, and masonry

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

Push Pins

Quickly fasten materials to soft surfaces like bulletin boards and drywall

Safety Pins

Fasten tags, labels, and other objects to fabric without pricking yourself

Tacks

Secure upholstery to a frame

Document Clips

Hold loose papers together without creating a permanent mark

Wood Joiners

Connect and repair wood pieces and joints

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Pin-Removal Punches

Pin-Removal Punches

Strike with a hammer to loosen and remove pins and rivets

Stud Welders

Join studs and pins to metal, leaving no marks on the back of the material

Fabricating and Machining

Core Pins

Add to molds and pour in plastic to form holes in finished parts

Ejector Pins

Push finished parts out of molds

Alignment Locks

Alignment Locks

Precisely align your mold halves

Ejector Sleeves

Ejector Sleeves

Use with mold pins to form holes, bosses, and other features in parts

Ejector Blades

Flat end pushes thin-walled parts out of molds better than ejector pins

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

Locating Pin Retractors

Locating Pin Retractors

Extend and retract locating pins to protect them when fixtures are moving

Locating and Support Buttons

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Spring Locating Pin Installation Tools

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

Spring Stops

Push back against workpieces to hold them in place against stops and rails

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

Fixturing Clamps

Fixturing Clamps

Secure your workpiece to a fixture table so it won't move during machining

Slotted Bushings

Slotted Bushings

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

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

Punch Pins

Use with press dies to punch 1/8" and larger holes; modify to fit your application

Multitools

A variety of tools and blades all in one

Clothespins

Hold light items, secure covers, and seal bags

Grinding Bits

Pair with grinders for light material removal and precision grinding

Drill Chuck Replacement Parts

Drill Chuck Replacement Parts

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

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

Ring Gauges

Confirm your workpiece's outer diameter or external threads are within tolerance

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Threaded Hole Location Gauges

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

Spring Test Probe Sockets

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

Center Punches

Mark center holes in metal and other material

Material Handling

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

Hitch-Ball Couplers

Hitch-Ball Couplers

Bolt or weld to trailers and connect to hitch balls on vehicles for towing

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

Hitch Receivers

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

Tow Hooks

Bolt to vehicles and connect to tow eyes on trailers for towing

Tow Eyes

Mount to trailers and connect to tow hooks or drawbar couplers on vehicles for towing

Drawbar Couplers

Drawbar Couplers

Use with drawbar rings to connect trailers to vehicles; also known as pintle hitches

Forklift Hitch Receivers

Forklift Hitch Receivers

Secure to forklift forks and slide in a hitch to adapt a forklift for towing

Conveyor Belt Lacing Pins

Conveyor Belt Lacing Pins

Insert and lock in place to connect belt lacing ends

Conveyor Belt Lacing Clips

Conveyor Belt Lacing Clips

Hold belt lacing in place during installation

Conveyor Belt Lacing

Conveyor Belt Lacing

Join conveyor belt ends with a strong, reliable connection; easier to install than endless belts

Conveyor Belt Lacers

Conveyor Belt Lacers

Install hook- or staple-style conveyor belt lacing

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Electrical

Electrical Connector Contacts

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Circuit Board Headers

Circuit Board Headers

Make quick connections to development boards and other circuit boards when prototyping

Terminals

Attach to the end of wire to connect circuits in control panels, motors, and machinery

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Connector Seals

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

Battery Clip Retaining Pins

Battery Clip Retaining Pins

Hold battery retaining clips closed to stop batteries from coming loose

Facility and Grounds Maintenance

Rolling Pins

Evenly roll out dough-like materials, such as clay

Power Transmission

Hydraulic Cylinder Mounts

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Building and Machinery Hardware

Door Holders

Mount to doors, walls, or floors to keep doors open

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

Containers, Storage, and Furniture

Pallet Rack Locking Pins

Pallet Rack Locking Pins

Prevent forklifts from dislodging pallet rack beams when loading and unloading pallets

File Holders

Keep documents organized in wall-mount, desktop, and revolving holders

Heating, Ventilation, and Air Conditioning

Insulation Hanger Studs

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

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