UNF Thread Threaded Inserts | McMaster-Carr

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System of Measurement

Thread Size

Threaded Insert Type

Material

Stainless Steel

Installed Length

Less than 0.25"

0.25" to 0.499"

For Use In

Thread Type

Thread Direction

Drill Bit Size

Helical Insert Style

End Type

Thread Spacing

Thread Insert Style

Nut Type

Key-Locking Insert Wall Style

For Tap Type

Military Specification

REACH

Specifications Met

Tensile Strength

Less than 20,000 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi to 119,999 psi

120,000 psi or greater

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Finish

Cadmium Yellow-Chromate Plated

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

How can we improve?

1,036 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Weld Nuts

Weld to metal surfaces to add permanent threads

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Threaded Insert Tools

Threaded Insert Tools

Install or extract helical, key-locking, slotted-drive, and other threaded inserts

Measuring and Inspecting

Plug Gauges

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

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