2-56 Inserts | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Threaded Insert Type

For Use In

Installed Length

Less than 0.25"

0.25" to 0.499"

Thread Insert Style

Drill Bit Size

End Type

Thread Type

Thread Spacing

Thread Direction

For Tap Thread Size

Specifications Met

Nut Type

Helical Insert Type

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

For Material Thickness

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Export Control Classification Number (ECCN)

Performance

Chemical Resistant

Corrosion Resistant

High Temperature

Vibration Resistant

Tensile Strength

Less than 20,000 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Hole Diameter

Profile

How can we improve?

151 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Press-Fit Nuts

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

Studs

Press, weld, or screw in place to add a threaded fastening point

Threaded Insert Installation Tools

Threaded Insert Installation Tools

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

Press-Fit Nut Installation Tools

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Threaded Insert Removal Tools

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Fabricating and Machining

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

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