2-56 Helicoils | McMaster-Carr

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System of Measurement

Helical Insert Type

Material

Installed Length

Specifications Met

For Tap Type

Military Specification

Thread Direction

Thread Type

Drill Bit Size

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

For Insert Thread Size

2-56

Passivation

Passivated

Unpassivated

Export Control Classification Number (ECCN)

EAR99

Number of Inserts Included

Finish

Tensile Strength

RoHS

REACH

Thread Spacing

Chamfer Type

For Use On

Length

For Insert Thread Type

Thread Length

48 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

37 products

Threaded Insert Installation Tools

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

4 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

3 products

Fabricating and Machining

Taps

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

2 products

Measuring and Inspecting

Plug Gauges

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

2 products