STI Taps | McMaster-Carr

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For Insert Thread Size

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0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

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Helical Insert Type

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Material

High-Speed Steel

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For Use On

Stainless Steel

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For Insert Thread Type

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For Tap Thread Size

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For Insert Thread Pitch

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1,261 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.)