6-40 Helicoils | McMaster-Carr

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System of Measurement

Helical Insert Type

Thread Direction

Material

18-8 Stainless Steel

High-Speed Steel

Installed Length

Less than 0.25"

0.25" to 0.499"

Specifications Met

Thread Type

Military Specification

For Insert Thread Size

Drill Bit Size

REACH

Passivation

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

For Tap Type

Number of Inserts Included

Tensile Strength

Thread Spacing

Finish

Chamfer Type

For Insert Thread Type

For Use On

Stainless Steel

Pitch Diameter Limit

Length

How can we improve?

12 Products

Fastening and Joining

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

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.)