1/4"-20 Threaded Inserts | McMaster-Carr

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Threaded Insert Type

Material

Stainless Steel

For Use In

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

For Tap Thread Size

End Type

Thread Type

System of Measurement

Thread Insert Style

For Tap Type

Drill Bit Size

Body Length

Nut Type

Thread Direction

Thread Spacing

Drive Style

Helical Insert Style

Finish

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

Key-Locking Insert Wall Style

For Material Thickness

0.01" to 0.165"

0.015" to 0.094"

0.015" to 0.643"

0.016" to 0.188"

0.020" to 0.079"

0.020" to 0.080"

0.020" to 0.085"

0.020" to 0.118"

0.020" to 0.280"

0.02" to 0.165"

0.027" to 0.150"

0.027" to 0.165"

0.031" to 0.187"

Rivet Nut Body Shape

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

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551 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

Screw-Mount Nuts

Screw-Mount Nuts

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

Heat-Set Insert Tips

Heat-Set Insert Tips

Attach to soldering irons to heat inserts for installing them in or removing them from plastic parts

Weld Nuts

Weld to metal surfaces to add permanent threads

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

Anchors

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

Socket Nuts

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

Threaded Insert Installation Tools

Threaded Insert Installation Tools

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

Threaded Insert Removal Tools

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Building and Machinery Hardware

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

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.)