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"

Specifications Met

Military Specification

For Tap Type

Drill Bit Size

DFARS Specialty Metals

Thread Type

Export Control Classification Number (ECCN)

REACH

RoHS

For Insert Thread Size

Insert Tool Thread Type

Thread Spacing

Passivation

Tensile Strength

For Use On

Stainless Steel

For Use With

Helical Inserts

Screw-Locking Helical Inserts

Handle Style

Helical Insert Tool Drive Type

Finish

For Insert Thread Type

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.)