Helicoil STI Tools | McMaster-Carr

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System of Measurement

Thread Size

Helical Insert Style

Material

Installed Length

Thread Pitch

Thread Direction

Thread Type

Drill Bit Size

Specifications Met

For Insert Thread Size

For Tap Type

For Tap Thread Size

Number of Inserts Included

Thread Spacing

Military Specification

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

REACH

Passivation

Export Control Classification Number (ECCN)

Tensile Strength

For Use On

Finish

Chamfer Type

Pipe Size

1,371 Products

Fastening and Joining

Threaded Insert Tools

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

187 products

Threaded Inserts

Create new threads or repair stripped threads

940 products

Fabricating and Machining

Taps

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

164 products

Tap Guides

Place on your workpiece to cut straight threads without building a fixture

2 products

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

32 products