Metric Helicoils | McMaster-Carr

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Thread Size

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Installed Length

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Helical Insert Style

For Insert Thread Size

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For Tap Type

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Specifications Met

For Use On

For Insert Thread Pitch

Tensile Strength

REACH

Passivation

DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

Chamfer Type

Bottoming

Plug

Military Specification

MIL-I-8846

For Insert Thread Type

Finish

459 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

321 products

Threaded Insert Installation Tools

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

41 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

15 products

Prong Break-Off Tools for Threaded Inserts

The spring-loaded punch breaks the prong off installed inserts

10 products

Fabricating and Machining

Taps

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

54 products