STI Taps | McMaster-Carr

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System of Measurement

Thread Size

For Insert Thread Size

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

25 mm or greater

Material

High-Speed Steel

Stainless Steel

Helical Insert Style

Chamfer Type

For Use On

Stainless Steel

Thread Direction

Thread Pitch

Thread Type

Specifications Met

Military Specification

For Tap Thread Size

Drill Bit Size

For Insert Thread Type

For Tap Type

Number of Inserts Included

Thread Spacing

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Passivation

For Insert Thread Pitch

Finish

Dry Film Lubricated

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1,260 Products

Taps

For Helical Inserts

Helical Insert Taps

Helical Insert Taps

Match the size of helical inserts so they fit tightly when installed

Left-Hand Thread Helical Insert Taps

Left-Hand Thread Helical Insert Taps

Size holes for installing helical inserts that anchor left-hand bolts and rods

Other Products

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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