Threading

Threading inserts

Carbide threading inserts for external and internal, right- and left-hand threads: ISO metric, partial profile, Whitworth, UN, BSPT pipe, NPT and trapezoidal. Sintered and precision-ground versions.

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ISO metric 60° threading inserts
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ISO metric 60° threading inserts

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Full-profile inserts for ISO 60° metric threads: crest and root formed by the insert, finished thread without deburring.

ISO P ISO M ISO S Threading pitch 0.5 – 6 mm ★ IT5225
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55° and 60° partial profile threading inserts
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55° and 60° partial profile threading inserts

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Universal partial profile inserts: a single insert covers a range of pitches with a 55° or 60° angle. Ideal for small batches and different pitches.

ISO P ISO M ISO S Threading pitch 0.5 – 5 mm ★ IT5225
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Whitworth 55° threading inserts (W)
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Whitworth 55° threading inserts (W)

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Full-profile inserts for Whitworth 55° threads (BSW and BSF), with crest and root radius.

ISO P ISO M ISO S Threading 8 – 28 threads per inch ★ IT5225
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UN 60° threading inserts (UNC, UNF)
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UN 60° threading inserts (UNC, UNF)

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Full-profile inserts for UN 60° unified threads (UNC, UNF, UNEF), required in aerospace and hydraulics.

ISO P ISO M ISO S Threading 5 – 28 threads per inch ★ IT5225
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BSPT 55° pipe threading inserts
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BSPT 55° pipe threading inserts

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Inserts for BSPT (Rc / R) 55° pipe threads with 1:16 taper, for sealing fittings on gas, heating and water pipes.

ISO P ISO M ISO S Threading 11 – 28 threads per inch ★ IT5225
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NPT 60° threading inserts
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NPT 60° threading inserts

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Inserts for NPT 60° taper threads with 1:16 taper, for pipes and sealing fittings to the American standard.

ISO P ISO M ISO S Threading 8 – 27 threads per inch ★ IT5225
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30° trapezoidal threading inserts (TR)
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30° trapezoidal threading inserts (TR)

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Inserts for ISO 30° trapezoidal threads (TR), used on lead screws, vices, presses and power transmissions.

ISO P ISO M ISO S Threading pitch 1.5 – 6 mm ★ IT5225
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INNOT guide

Threading inserts for turning

INNOT threading inserts cover the threads most used in the shop: ISO metric 60°, Whitworth 55°, unified UN 60° (UNC, UNF), BSPT 55° taper, NPT 60° and TR 30° trapezoidal, plus universal partial-profile 55° and 60° inserts.

A partial-profile insert covers a range of pitches with a single insert; a full-profile insert also forms the thread crest and needs fewer passes. The dedicated holders and boring bars are among the threading toolholders.

See alsoTaps
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