Steel Pins | McMaster-Carr


Plain	Spring-Loaded Ball

Through Hole	Wire Retainer

Retaining Ring Groove	Toggle

Adjustable Length	Wedge

Threaded	Button

Locking Retainer	Tapped

Set Screw Flat	Flat Head

	Usable Length Usable Length

	Shaft Type Shaft Type


Plain	Slotted

Grooved	Coiled

Tapered	Knurled

D-Profile	Barbed

Spiral

	Minimum Hardness Minimum Hardness

	Tolerance Rating Tolerance Rating

Standard

Undersized

Oversized

	Finish Finish

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Breaking Strength Breaking Strength

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Head Diameter Head Diameter

	Specifications Met Specifications Met

	Thread Size Thread Size

	Head Height Head Height

	Cotter Pin Type Cotter Pin Type


Hairpin	Standard

Linch	Wire Snap

Ring	Hairpin for Retaining Grooves

Locking	Hammer Set

Bow Tie	Wedge Lock

	Retainer Shape Retainer Shape

Squared

Rounded

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8,954 Products

Dowel Pins

Use these metal dowel pins as pivots, hinges, shafts, jigs, and fixtures to locate or hold parts.

Undersized Dowel Pins

Slip these pins in and out during maintenance or prototyping—they’re undersized to make alignment easier.

Oversized Dowel Pins

Oversized to fit worn and enlarged holes, these pins work well as repair and replacement parts.

Dowel Pin Stock

Cut this 12" stock to the length you need.

Pull-Out Dowel Pins

To remove these pins, thread a screw or tool into the tapped hole, then pull them out.

Flat-Vent Pull-Out Dowel Pins

The flat side of these pins relieves trapped air, making them easier to insert in and remove from blind holes. To remove, thread a screw or tool into the tapped hole, then pull the pin out.

Spiral-Vent Pull-Out Dowel Pins

A spiral groove cut into these pins relieves trapped air but stays in 360° contact with the hole for a secure fit that's easy to insert in and remove from blind holes. To remove, thread a screw or tool into the tapped hole, then pull the pin out.

Round Head Full-Groove Dowel Pins

Grooves hold these pins in place, and a round head gives them a finished appearance.

Full-Groove Dowel Pins

Grooves run the full length of these pins for a firm hold that won't spin. Use them in place of standard dowel, spring, and taper pins to fasten parts. Also known as type A pins.

Half-Groove Dowel Pins

These pins make good hinges or pivots. The grooved half locks pins in position, while the smooth half can act as a pivot. Also known as type H pins.

Half-Groove Dowel Pins with Notch

These pins are commonly used as anchors for tension springs. The grooved half locks pins in position, and spring ends fit in to the notch. Also known as type G pins.

Center-Groove Dowel Pins

Center-groove pins are often used in place of clevis pins or to create T-handles. The grooved center locks pins in position, while the smooth ends act as a pivot. Also known as type E pins.

Quarter-Groove Dowel Pins

Quarter-groove pins are well suited for hinges or pivots. The grooved end locks pins in position, while the smooth portion can act as a pivot. Also known as type C pins.

Half-Knurled Dowel Pins

Use these as pivot or hinge pins. The knurled half locks pins in position, while the smooth half acts as a pivot.

Center-Knurled Dowel Pins

Center-knurled pins are often used in place of clevis pins or to create T-handles. The knurled center locks pins in position, while the smooth ends act as a pivot.

Knurled Dowel Pins

The full length of these pins is knurled for a tight grip that won't spin.

Round Head Barbed Dowel Pins

Barbs bite into plastics and soft metals such as aluminum for a strong hold, and a round head gives a finished appearance.

Two-Way Barbed Dowel Pins

Use these pins to fasten components made of soft materials such as plastic or aluminum. Opposing barbs bite into each piece, pulling them together for a tight, secure fit.

Pins for Shear Hubs

For use with Browning shear hubs, these pins are designed to fail at specific loads to protect heavy duty machinery from torque overload.

Hollow Dowel Pins

Pass wires and other components through these hollow pins.

Clevis Pins

The low-profile head on these pins holds them in place on one side.

Precision Clevis Pins

These pins combine the locking capabilities of a clevis pin with the precision diameter of a dowel pin for a tight fit.

Adjustable Clevis Pins

Also known as universal clevis pins, these pins have holes on 1/4" centers so you can change the length by moving the cotter pin.

Loop-Grip Clevis Pins

A large loop handle makes these pins easy to grip.

Bent-Pull Clevis Pins

The bend makes these pins easy to insert and pull out.

Adjustable Bent-Pull Clevis Pins

These pins have multiple through holes; change the length by moving the cotter pin. The bend makes them easy to insert and pull out.

Headless Clevis Pins

Install or remove these pins from either side.

T-Handle Clevis Pins

A plastic-coated T-handle welded to these pins makes them easy to grab.

Wire-Lock Clevis Pins

The wire retainer snaps closed to secure the pin for a one-piece alternative to a clevis and cotter pin combination. Also known as PTO pins.

Clevis Pins with Retaining Ring Groove

Slide a retaining ring into the groove for a secure hold that takes up less space than a cotter pin.

Headless Clevis Pins with Retaining Ring Grooves

Install or remove these pins from either side. Slide a retaining ring into the groove for a secure hold that takes up less space than a cotter pin.

Wire-Lock Pins for Telescoping Tubing

Sized to fit snugly around pipe and tube, these pins use spring force to keep the retainer closed.

Pins for Telescoping Tubing

Also known as gravity pins, these pins fit in holes on telescoping tubing to adjust the length.

Button Pins for Telescoping Tubing

Spring force holds pieces of telescoping tubing together. Also known as snap buttons and tubing buttons.

Toggle-Lock Clevis Pins with Handle

A swivel handle makes these pins easy to install and remove, while the toggle locks them in place. Flip the toggle to release the pin.

Toggle-Lock Clevis Pins

These one-piece fasteners lock in place with a toggle. Flip the toggle to release the pin.

Self-Locking Clevis Pins

For the fastest installation, push these pins into a hole and a spring-loaded wedge pops out to lock them in place. Also known as slic pins.

Heavy Duty Locking Clevis Pins

Often used to connect equipment to a drawbar in towing applications, these rugged pins have a welded solid steel retainer.

Padlockable Clevis Pins

Use a padlock to secure these pins. The bend makes them easy to insert and pull out.

Quick-Release Pins

Ring-Grip Quick-Release Pins

The smooth ring handle on these pins won't catch on parts. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Flat-Head Quick-Release Pins

These pins have a low-profile head, so they won't get knocked out of place. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Loop-Grip Quick-Release Pins

A bright-orange plastic-coated handle makes these pins easy to see and easy to grip. Pins have a spring-loaded ball that pops out when the pin is pushed into a hole, and retracts when the pin is pulled out.

T-Handle Quick-Release Pins

A T-handle makes these pins easy to grip. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Ball-Grip Quick-Release Pins

A smooth ball handle is easy to grip and won't catch on other parts. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Ring-Grip Shoulder-Style Quick-Release Pins

The smooth ring handle on these pins won't catch on parts. The shoulder keeps a portion of the pin outside the hole and makes them easy to grab.

T-Handle Shoulder-Style Quick-Release Pins

A T-handle makes these pins easy to grip. The shoulder keeps a portion of the pin outside the hole and makes them easy to grab.

Adjustable-Length Locking Quick-Release Pins

These pins adjust to take up play in a system or hold parts in holes of varying thicknesses. Spin the handle up or down, then tighten the locknut to change the length by up to ½”. Pins lock in place until you push the button to release the spring-loaded retaining balls.

Keyed Double-Locking Quick-Release Pins

Use the key to unlock these pins, then press the button to release the spring-loaded retaining balls. Two-step locking prevents accidental removal.

Quick-Release Pins for Access Panels

Attach these pins to a machine cover or access panel, then clip them in to receptacles installed in the enclosure for quick access. Pins lock in place until you release them.

Mold Pins

Core Pins

These pins have a flat head to fit into a counterbored hole.

Flush-Mount Core Pins

A 60° beveled head fits into a countersunk hole.

Ejector Pins

Push parts out of molds with these hardened pins. Also known as knockout and forged pins.

Shoulder-Style Ejector Pins

A thick shoulder makes these pins more rigid than standard ejector pins.

Punch Pins

Use these pins with a die to punch 3/16" and larger holes. Pins can be modified to fit your application.

Cotter Pins

Hairpin Cotter Pins

Also known as hitch pin clips and R-clips, these pins are easy to install and remove.

Strong-Hold Hairpin Cotter Pins

A coil makes a stronger grip than standard hairpin cotter pins to prevent accidental release.

Cotter Pins

Also known as split pins, these have one prong slightly longer than the other so they’re easy to open. Bend prongs outward to secure.

Linch Pins

Slide the pin through a hole then snap the ring down to lock these pins in place. Also known as click pins.

Strong-Hold Wire-Snap Cotter Pins

These pins are coiled for more tension than standard wire-snap cotter pins.

Wire Snap Cotter Pins

Also known as safety pins, these are easy to install and remove. Tension keeps them closed.

Split Rings

Also known as key rings, twist these rings into place to secure clevis pins, connect components, or add a pull handle. They don't have the sharp ends of other cotter pins.

Locking Cotter Pins

An extra loop locks these cotter pins more securely than other pins, so they can't vibrate out or be knocked off.

Hairpin Clips

Clip these pins onto grooved shafts and clevis pins with retaining ring grooves.

Hammer-Set Cotter Pins

For parts that spin or are otherwise difficult to access, slide these pins in and tap them with a hammer for a temporary hold. Reposition work, then bend the prongs outward to secure.

Bow Tie Cotter Pins

The double-head design lets you push or pull these pins from either side of the hole. Once in place there's little chance they will be vibrated out or knocked off.

Cotter Rings

Twist these rings on to lock pins in place. They don't have the sharp ends of other cotter pins.

Wedge-Lock Cotter Pins

Slide these heavy duty pins into the through-hole in a clevis pin, then hit them with a hammer to wedge the prongs open.

Spring Pins

Slotted Spring Pins

Also known as roll, tension, split, and expansion pins, these pins have a slot along one side that you squeeze closed to install them into unthreaded holes.

Vibration-Resistant Slotted Spring Pins

Interlocking teeth help these pins resist sliding when exposed to vibration. They have a slot that presses closed when the pins are inserted so they don't flex after installation.

Coiled Spring Pins

These spiral pins remain flexible after installation, so they absorb shock and vibration better than slotted spring pins. They work well in holes that are out of round.

Heavy Duty Coiled Spring Pins

For tough jobs, these spiral pins are 30% stronger than our standard coiled spring pins. They remain flexible after installation to absorb shock and vibration, and work well in holes that are out of round.

Taper Pins

Threaded Taper Pins

Threads on these pins stick out for easy removal from blind holes. Tighten the hex nut to draw the pin out.

Taper Pins

To remove these pins, hit the small end with a punch to drive the pin out.

Tapped Taper Pins

These internally threaded pins sit flush in an assembly. For easy removal from a blind hole, thread a screw into the pin and pull out.

Made-to-Order Pins

Choose a material, head type, end type, and size to create a custom pin.

Flat-Head Made-to-Order Pins

Create a custom headed pin with your choice of material, dimensions, and end type.

Weld-On Pins

Through-Hole Weld-On Pins

Pass these pins through a mounting hole and weld the head to the surface.

Surface-Mount Weld-On Pins

Weld these pins directly to a surface —no mounting hole required.

Spring Plungers

Weld-Mount Catches for Ball-Nose
and Long-Nose Spring Plungers

Weld these catches in place for a strong permanent hold.

Mounting Bases for Spring Plungers

Mount ball-nose and long-nose spring plungers to fixture surfaces.

Drivers for Spring Plungers

Install spring plungers from the nose end without depressing the nose.

Threaded Rods and Studs

Metric Partially Threaded Studs

Screw the threaded end of these metric studs into a tapped hole and use the unthreaded end as a pivot point, hinge, shaft, or locator pin.

Steel Right-Angle Weld Studs

Weld these studs to uncoated steel surfaces.

Weld Studs

Pass these studs through a hole and weld them in place.

Steel Adhesive-Mount Studs

These steel studs are zinc plated to resist corrosion in wet environments.

Steel Press-Fit Studs

These steel studs are zinc plated to resist corrosion in wet environments.

Steel Wood Screw Threaded Studs

These studs are also known as hanger bolts—use them to hang, mount, and fasten parts to wood structures.

Wood-to-Wood Joining Studs

Also known as dowel screws, use these to join two pieces of wood.

Rivet Studs

Add a stud to thin material when you only have access to one side.

Screws and Bolts

Headless Alloy Steel Precision Shoulder Screws

Without a head to get in the way, these screws fit in tight spaces where standard shoulder screws cannot. Either thread them in a countersunk hole for a flush mount, or install them with the shoulder sticking out to use them as pins or dowels for aligning and locating components.

Steel Hex Head Shoulder Screws

A zinc plating provides mild corrosion resistance.

T-Bolts with Collar

Also known as clamping pins, these bolts have a collar that slides along the shaft and can be welded in place to clamp work in place and prevent over torquing.

T-Bolts

Also known as tank-strap bolts, these T-bolts are commonly used with a band clamp or a strap to hold fuel tanks and other objects in place.

Cotter Pin-Lockable Hex Head Screws

Place a cotter pin through the hole in the shank to keep a nut from loosening. These screws have a stronger hold than screws with thread lockers or lock washers.

Pin Assortments

Cotter Pin Assortments

Also known as split pins, these have one prong slightly longer than the other so they’re easy to open.

Hairpin Cotter Pin Assortments

Also known as hitch pin clips and R-clips, use these cotter pins in applications requiring quick installation and removal.

Slotted Spring Pin Assortments

Slotted spring pins are also known as roll, tension, split, and expansion pins. Because the slot is pressed closed when the pins are inserted, they don't flex after installation.

Coiled Spring Pin Assortments

Coiled spring pins are flexible after installation, so they absorb shock and vibration better than slotted spring pins. They also have higher dynamic load capacities and accommodate wider hole tolerances.

Dowel Pin Assortments

Dowel pins are commonly used as pivots, hinges, shafts, jigs, and fixtures to locate or hold parts. They're slightly oversized for a tight fit.

Hairpin Clip Assortments

Clip these pins onto grooved shafts and clevis pins to keep components in place.

Clevis Pin Assortments

Clevis pins have a hole for a cotter pin on one end to lock them in place.

Machine Key Assortments

Standard Key Stock Assortments

These assortments include various sizes of key stock—choose a piece and cut it to your desired length.

Oversized Machine Key Assortments

Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways.

Undersized Machine Key Assortments

These keys are slightly undersized to fit in standard keyways.

Oversized Key Stock Assortments

Make a key that is the exact length you need. Slightly larger than the size listed, these oversized keys offer a tight fit in worn keyways.

Woodruff Key Assortments

A rounded bottom allows these keys to rock in their seat to relieve stress on the shaft caused by vibration or misalignment.

Machine Key and Woodruff Key Assortments

Step Key Assortments

Also known as offset key stock, use step keys to repair keyways in gears and shafts.

Split Ring Assortments

Screw Nail Assortments

Anchors for Concrete, Block, and Brick

Heavy Duty Pin-Drive Anchors for Block and Brick

Use in applications requiring high strength.

Tamper-Resistant Pin-Drive Anchors for Block and Brick

A tamper-resistant nut prevents unwanted removal of the object you are anchoring.

Steel Drive Anchors for Concrete

A zinc plating provides corrosion resistance in wet environments.

Adjustable-Depth Installation Tools for
Shallow-Hole Female-Threaded Anchors

An adjustable stop allows you to set anchors at consistent depths. Use with a hammer.

Quickset Installation Tools for
Shallow-Hole Female-Threaded Anchors

The fastest way to install shallow-hole female-threaded anchors. Just push the tip of the tool into the anchor and turn the tool with a power drill.

Installation Tools for Shallow-Hole
Female-Threaded Anchors

Drive these tools with a hammer to expand anchors.

Installation Tools for Female-Threaded Anchors

Drive these tools with a hammer until the thicker portion of the tool makes contact with the anchor, causing it to expand.

Steel Female-Threaded Anchors for Concrete

A zinc plating provides corrosion resistance in wet environments.

Easy-Install Female-Threaded Anchors for Concrete

Install like a stud anchor—just thread the anchor, a nut, and a washer onto the end of a threaded rod, drive into a hole, and turn the nut to expand the base. Also known as rod anchors, they're often used with threaded rod to hang pipe and wiring.

Steel Adhesive-Grip Female-Threaded
Anchors for Concrete

A zinc plating provides corrosion resistance in wet environments.

Flat Head Removable-Bolt Anchors for Block and Brick

Bolts are beveled under the head for a flush finish in countersunk holes.

Removable-Bolt Anchors for Concrete

Turn the bolt to expand the nut for a secure hold in concrete. These anchors are often used to anchor machinery.

Weld-On Stud Anchors for Wet Concrete

These stud anchors strengthen the parts of buildings where steel framing connects to concrete. They’re also known as Nelson studs.

Female-Threaded Expansion
Anchors for Hollow Block and Brick

For narrow holes and small cavities where toggle anchors won't fit.

Female-Threaded Toggle Anchors
for Hollow Block and Brick

A pivoting toggle bar creates a strong hold.

Removable-Screw Anchors for Drywall, Plaster, and Wood Paneling

Removable-Screw Anchors for
Drywall, Plaster, and Wood Paneling

A drilled hole is required for installation.

Machine Keys

Rounded Machine Keys

When installed, these keys fill oval keyways completely, reducing stress on the key and shaft. The rounded ends make it easy to slide gears, hubs, and other components into place. These are also known as feather keys.

Woodruff Keys

Woodruff keys work well near shaft shoulders and on tapered shafts. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. Use them in light duty applications to connect gears and other components to shafts. Also known as half moon keys.

Tapered Gib Keys

These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. The gib head makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping.

Tapped Rounded Machine Keys

Thread a screw through the tapped hole to pop these keys out of a keyway. When installed, they fill oval keyways completely, reducing stress on the key and shaft. The rounded ends make it easy to slide gears, hubs, and other components into place.

High-Profile Woodruff Keys

Feet prevent these keys from rocking in the keyseat. Woodruff keys work well near shaft shoulders and on tapered shafts. Use them in light duty applications to connect gears and other components to shafts. Also known as hi-pro keys.

Machine Key Stock

Cut this stock to length to create the machine key you need. Straight keys, with a square or rectangular cross section, are the most common type of key. Install in a keyway to transmit torque from shafts to gears and other components.

Step Machine Key Stock

When a keyway is damaged, cut a new, wider one. This key stock is stepped to match repaired keyways in shafts or gears. Cut it to length to create the machine key you need.

Nails

Screw Nails for Metal, Plastic, and Plywood

Also known as round-head Type U drive screws.

Screw Nails for Sheet Metal

Also known as flat-head Type 21 screws.

Upholstery Tacks

The wide, flat head holds fabrics in place.

Locators, Supports, and Stops

Mating Locating Pins and Hole Liners

Maintain consistent alignment in mating parts by installing a pin in one part and a liner in the other.

Locating Pins

Install these pins in a plate or table and mate with holes in a workpiece for precise alignment.

Shoulder-Style Locating Pins

The shoulder provides a consistent height reference point and keeps the pin from being pressed through the fixture.

Threaded Locating Pins

Screw the shank into a threaded hole for quick installation and removal.

Removable Locating Pins

A slightly undersized shank makes these pins easy to install and replace. Also known as slip-fit and lock-screw locating pins, they are held in place by a separate lock screw.

Cast-In Locating Pins for Plastics

Encase these pins while molding plastic or composite parts. Once set, the knurls resist movement, letting you align the workpiece with precision on a plate or table.

Through-Hole Alignment Pins

Precisely align drilled holes in two parts.

Slotted Bushings

When locating a workpiece using through-hole alignment pins, use one of these bushings and one standard bushing to prevent the pins from binding in your fixture.

Floating Locating Pins

The head on these pins slides side-to-side in one direction. Use one of these pins and one standard round-head pin to prevent jamming when loading and unloading workpieces with inconsistent hole spacing.

Press-Fit Locating and Support Buttons

Support and position workpieces and fixtures from the bottom or side. These buttons press into a drilled hole for permanent installation.

Screw-Mount Locating and Support Buttons

Mount through the counterbored hole with a socket head cap screw to support and position workpieces and fixtures from the bottom or side.

Threaded Locating and Support Buttons

Use these buttons to support and position workpieces and fixtures from the bottom or side. Their hex shape lets you screw them into a threaded hole with a wrench or socket.

Domed-Head Locating and Support Buttons

Support rounded or irregularly shaped workpieces from the bottom or side with minimal contact.

Swiveling Locating and Support Buttons

The swiveling tip supports uneven and angled surfaces.

Installation Tools for Spring-Loaded Guide Pins

Use these tools for easier guide pin installation.

High-Precision Index Plungers

To align two parts with more precision than standard spring plungers, these index plungers have a mating bushing that improves alignment and repeatability.

Spring-Loaded Work Supports

Slide these low-profile supports under a workpiece to provide support and reduce vibration.

Ball-Lock Quick-Change Fixture Clamps

Build these components into fixture plates, machine subplates, and tombstones for quick changes. The system clamps and locates at the same time for accurate positioning with repeatability of ±0.0005".

Inspection and Measuring Fixturing

Use these components in coordinate measuring machine (CMM) applications to raise a workpiece and reliably position it on a fixture plate with ¼"-20 holes.

Size Checking

Class Z Go Plug Gauges

Use these Class Z go gauges to check the minimum hole diameter. Also known as pin gauges, they help you measure hole size and depth, check hole location and distance, and set micrometers.

Class Z No-Go Plug Gauges

These Class Z no-go gauges help you check the maximum hole diameter. Commonly known as pin gauges, use them to measure hole size and depth, check hole location and distance, and set micrometers.

Class X Plug Gauges

Also known as pin gauges, these Class X plug gauges are used for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers.

Metric Class Z Plug Gauges

These metric Class Z plug gauges are used for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers. They’re also known as pin gauges.

Class ZZ Plug Gauges

Commonly known as pin gauges, these Class ZZ plug gauges are used for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers.

Metric Class X Plug Gauges

Use these metric Class X plug gauges for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers. They’re also called pin gauges.

Wear-Recognition Go Plug Gauges

A black-oxide treatment on these go gauges shows wear patterns so you can tell when you need to calibrate or replace the gauge—use them to check to minimum hole diameter.

Wear-Recognition No-Go Plug Gauges

The black-oxide treatment on these no-go gauges shows wear patterns so you can tell when you need to calibrate or replace the gauge—they help you check the maximum hole diameter.

Plug Gauges with Handle

Take go and no-go measurements with the same tool. These gauges have a go gauge on one end, a no-go gauge on the other end, and a handle with bushings.

Plug Gauge Sets

Take precision go/no-go measurements of hole sizes and depths, check hole location and distance, and set micrometers.

Wear-Recognition Plug Gauge Sets

To indicate when you need to calibrate or replace the gauges in these sets, gauges have a black-oxide treatment that shows wear patterns.

Target-Size Plug Gauge Sets

Get your choice of one target-size gauge with 12 larger gauges and 12 smaller gauges, graduated in 0.0001”. Also known as tenth-step gauges, they’re often used in metrology labs, quality control departments, and tool rooms for setting snap gauges and comparators.

Threaded Plug Gauges with Calibration Certificate

These gauges come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Threaded Plug Gauges

These have a go gauge on one end and a no-go gauge on the other end.

Threaded Plug Gauges for NPT Pipe Threads

A notch on the handle indicates when the internal NPT threads you’re checking are in tolerance.

Threaded Plug Gauges for NPT Pipe
Threads with Calibration Certificate

Ensure the accuracy of NPT thread measurements—these gauges come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Threaded Ring Gauges for NPT Pipe
Threads with Calibration Certificate

To ensure accuracy of NPT pipe thread measurements, these gauges include a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Fastening Tools

Hole-Alignment Pins

Line up holes by driving these pins through existing rivet, pin, and bolt holes in multiple pieces of metal. Alternatively known as lineup taper punches.

Double-Taper Hole-Alignment Pins

When one side wears out, use the other one. Also known as barrel drift pins.

No-Strike Hole-Alignment Pins for Flange Bolt Holes

Turn the pin and the tapered shaft forces the two holes into alignment.

Impact-Resistant Hole-Alignment Pins

Often called bull pins, these pins are designed to resist mushrooming caused by repeated pounding.

No-Strike Hex Head Alignment Pin Sets

The tapered shaft of these pins eliminates the need for hammering and prying when aligning flange bolt holes.

Hole-Alignment Pin Sets

Use alignment pins to align structural components such as I-beams and angle iron for bolting, riveting, and welding.

Removal Tools for Push-In Rivets

Slide these tools under the head of push-in rivets and squeeze the handles to pop the rivet out. They are also known as panel clip pliers.

Material Handling

Tow Hooks

For an easy towing connection, mount these hooks to a bumper or trailer.

Hitch Inserts

Use these inserts in hitch-ball connections.

Mounting Plate Inserts for Drawbar Couplers

These inserts allow you to connect drawbar couplers to a receiver.

Drawbar Rings

These rings mount to a trailer and connect to the drawbar coupler or tow hook on a vehicle.

Hitch Receivers

Mount these receivers to your vehicle. Use them with an insert and pin for a complete hitch.

Drawbar Couplers

Also known as pintle hitches, drawbar couplers are used with drawbar rings to connect a trailer to your vehicle for towing.

Connecting Pins for Hammer-On Hook-Style Lacing

Insert a pin into the lacing and lock it in place by bending the ends at a 90° angle.

Hammer-On Hook-Style Lacing

This low-profile lacing requires only a hammer to install so it's good for repairs and tight spaces. Also known as alligator lacing, the lacing teeth bite into the belt to hold. Use on belts up to 0.31" thick.

Quick-Install Hook-Style Lacing

Clevis Pins for Hydraulic Cylinders

Hinge-Pin Mount Door Closers

There's no need to mount a closer to your door or frame—these take the place of an existing hinge pin.

Locking Pins for Pallet Racks

Prevent forklifts from knocking pallet racks apart—these 90° pins lock horizontal beams in place so you can safely load and unload pallets.

Pipe Flange Aligners

Pipe Flange Aligner Pins

Insert a pair of these nut-and bolt pins into adjacent flange holes and tighten to align flanges before connecting two pipes.

Stepped Pipe Flange Aligner Pins

Each step on these aligner pins matches common bolt holes on pipe flanges, so they're more precise than conical aligner pins and don’t require nuts. Press the pair of pins into mated flanges to make sure the flanges are aligned.

Pipe Flange Aligner Pins with Horizontal Level

Ensure horizontal alignment of pipe flanges with a level rod that runs between two alignment pins.

Insulation Hanger Studs

Attach these hanger studs to a flat surface, then press your insulation sheets onto the spikes and secure with a washer.

Stud Welding Systems

Weld threaded studs and pins to steel and stainless steel without damaging the opposite side of the material. This process uses heat from resistance to an electrical current.