4-48 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"

Military Specification

Specifications Met

For Tap Type

Drill Bit Size

Export Control Classification Number (ECCN)

Thread Type

DFARS Specialty Metals

REACH

RoHS

For Insert Thread Size

Thread Spacing

Passivation

Tensile Strength

For Use On

Stainless Steel

Finish

For Insert Thread Type

Length

Maximum Tapping Depth

Number of Flutes

Overall Length

How can we improve?

9 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.)