Install from either side—no need to check which end is up

Block liquid and debris from getting into threads and parts

Keep threads clear and prevent leaks

Prevent molten plastic from seeping in and clogging the threads

Tap the thread size you need for a custom insert

Mount even with or below the surface to conceal the insert or fit tight spaces

Knurls grip hardwood to prevent twisting

Barbs dig into softwood for a secure hold

Keep a variety of heat-set insert sizes and installation tools on hand

Create a secure base for fasteners in plastic, including brittle 3D printed parts

Inserts and a range of tools for new threads and repairs

Restore, reinforce, or create metal threads

Repair or strengthen pipe connections

Fix stripped pipe threads—inserts come with drill bits, through-hole taps, and installation tools

Replace stripped spark plugs in engines

Quickly restore stripped threads with inserts and their compatible tools

What you need to add or repair a range of thread sizes in soft metal

Add strong threads in soft metal, such as aluminum

Paired with the right tool for installation to create strong threads in soft metal

Save time when repairing threads in parts that rotate counterclockwise

Repair threads in parts that rotate counterclockwise

Keep screws from getting stuck or backing out and won’t contaminate your environment

No lubricant means no mess or particles to contaminate environments such as clean rooms and labs

Mount components directly to plastic parts

Manufactured and tested to meet or compare to strict U.S. military standards

Mold the strongest metal threads into plastic parts

Install in dense composites without crushing or splitting them

The barbed sides keep inserts in place before a screw is installed

Push into untapped holes to add threads in aluminum and other soft metal

Expand to hold firm in plastic, even before a screw is installed

Irregularly shaped threads tightly grip screws to prevent loosening or backing out under vibration

Screws won't get stuck or come loose

Create the tightest hold in aluminum and other soft metal without screws sticking

Prevent vibration from loosening screws

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

Press into a drilled hole, then install a screw to expand

Install from the underside of your material, and the flange keeps inserts from going too far

Install and remove screws repeatedly without sticking or binding

Coated to resist galvanic corrosion when used with aluminum or magnesium

Install smoothly for strong threads near the edges and corners of soft metal surfaces

Align threads with off-center parts

Prongs or barbs create a secure fit that won't split hardwood

Fins cut into material for a more secure hold than other screw-to-expand inserts

Excellent resistance to pullout, even when removing screws

Add strong threads to the edges of soft metal without bulging or cracking the material

A variety of tapered insert sizes that are easy to guide into holes with the included tools

Easier to align in a hole during installation than straight inserts

Guide the tapered end into a hole for quick and accurate alignment

A variety of inserts that tap holes in hardwood as you install them

Cut a variety of thread sizes into aluminum and other soft metal—no taps required

Include various sizes of inserts that don’t need a tapped hole

The sharp threads on these inserts cut into hardwood for a secure hold

Add strong, reusable metal threads to plastic

Cut their own threads, so there’s no need to tap the hole

The large external threads cut and grab softwood for a secure hold

Reduce the risk of splitting or cracking fiberglass

A four-pronged flange resists twisting in hardwood and softwood

Include various sizes of thread-locking inserts that won’t back out or loosen from vibration

Adhesive on the threads keeps inserts from backing out or vibrating loose

What you need to add or repair threads quickly in parts under stress or vibration

A silicone plug protects threads from paint, coatings, and debris

Hold fast against twisting and pulling

The hex-shaped body resists loosening and twisting in a round hole

Grab softwood for the strongest hold against twisting and loosening

Transform an existing hole in plastic into a precision adjustment point