McMaster-Carr

Choose a Category

Clear All

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size	Show

1/2"-13

	Thread Size Thread Size	Hide

	Thread Type Thread Type

UNC

	Threaded Insert Type Threaded Insert Type


Key Locking	Tapping

Thread Locking	Helical

Hammer In

	For Tap Thread Size For Tap Thread Size

	Material Material

	Installed Length Installed Length

	For Use In For Use In

	Key-Locking Insert Wall Style Key-Locking Insert Wall Style

Thin

Thick

Extra Thick

	Thread Spacing Thread Spacing

Coarse

	For Tap Type For Tap Type

Standard (UN)

Helical

Metric

	Thread Direction Thread Direction


Right Hand	Left Hand

	Drill Bit Size Drill Bit Size

	External Locking Type External Locking Type

Key

Thread Locker

	For Maximum Hole Diameter For Maximum Hole Diameter

	End Type End Type

Open

	Tensile Strength Tensile Strength

	Thread Fit Thread Fit

	Number of Inserts Included Number of Inserts Included

	Finish Finish

Zinc Yellow-Chromate Plated

	Passivation Passivation

Not Passivated

Passivated

	Mount Type Mount Type


Bolt On	Press Fit

Screw	Threaded Hole

Threaded Stud

	Adjustability Adjustability


Swivel	Rigid

Forward

How can we improve?

372 Products

Threaded Inserts

Key-Locking Inserts

Comparable to Keensert inserts.

Key-Locking Inserts
with Installation Tool

These inserts come with an installation tool. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts.

Key-Locking Insert Assortments
with Installation Tool

Easy-to-Install Thread-Locking Inserts

Easy-to-Install Thread-Locking
Insert Assortments

These assortments include various sizes of thread-locking inserts.

Easy-to-Install Thread-Locking
Inserts with Installation Tools

A closed-end tap, drill bit, and installation bit are included with these inserts.

Screw-Locking Easy-to-Install
Thread-Locking Inserts

Adhesive on both the internal and external threads keeps these inserts in place and holds screws tight.

Helical Inserts

Helical Inserts with Installation Tools

Tapping Inserts for Soft Metal

These inserts cut their own threads in soft metals such as aluminum, so there's no need to tap the hole. Also known as Tap-Lok inserts.

Tee Nut Inserts for Wood

Use these four-pronged inserts with hardwood and softwood.

Ultra-Split-Resistant Tee
Nut Inserts for Hardwood

Ridges on the barrel of these inserts make them less likely to split hardwood than inserts with prongs. They're often used in wood that has been cut across the growth rings.

Other Inserts

Press-Fit Nuts

Also known as clinch nuts, press these nuts into thin materials with an arbor press or similar pressure tool.

Rivet Nuts

Also known as blind inserts, rivet nuts can be installed in thin material when you have access to only one side.

Surface-Mount Nuts

Weld, glue, or screw these nuts onto thin materials.

Socket Nuts

Also known as Allen nuts, use these nuts with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench.

Anchors for Concrete,
Block, and Brick

Anchors for Hollow Block and Brick

Leveling Mount Inserts
for Tubular Legs

Level machinery and furniture with tubular legs.

Leveling Mounts

Use these mounts to level the supports or legs of equipment and raise equipment off the floor for easier cleaning and inspection.

Vibration-Damping Leveling Mounts

In addition to leveling, these mounts minimize noise and vibration, prolonging machine life.

Vibration-Damping Mounts

Minimize vibration and noise from machinery to reduce maintenance costs, prolong equipment life, and protect floors.

Fixture Plate Chip Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines.

Threaded-Stud Bumpers

Twist these bumpers into a threaded hole. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces.

Threaded Bumpers

Mount these bumpers on a threaded stud. All are reinforced with a steel core or base plate for strength. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines.

T-Slot Nuts

Designed to fit into T-slot tracks on machine tool tables, these nuts can be used to secure clamps or workpieces.

T-Slot Nut and Setup Stud Kits

For mounting items to your machine table, these kits contain the full system of necessary components.

Setup Clamp and T-Slot Fastener Kits

Get everything needed for basic workholding on a machine table.

Terms and Conditions and Privacy Policy