M18 Helicoils | McMaster-Carr

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Thread Pitch

Thread Direction

Helical Insert Style

System of Measurement

Thread Type

Installed Length

10 mm to 19.9 mm

25 mm or greater

Material

18-8 Stainless Steel

High-Speed Steel

Thread Spacing

For Tap Type

Number of Inserts Included

Drill Bit Size

For Insert Thread Size

For Spark Plug Reach

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Tensile Strength

Passivation

Finish

Specifications Met

For Insert Thread Type

Chamfer Type

Drill Bit Decimal Size Equivalent

For Insert Thread Pitch

How can we improve?

10 Products

Fastening and Joining

Threaded Insert Removal Tools

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Threaded Insert Installation Tools

Threaded Insert Installation Tools

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Fabricating and Machining

Taps

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

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