Threading
Everything for the thread: carbide threading inserts for turning and taps for through and blind holes, chosen for the material. Metric, fine, pipe and inch, right- and left-hand, also custom made.
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ISO metric 60° threading inserts
Whitworth 55° threading inserts (W)
UN 60° threading inserts (UNC, UNF)
BSPT 55° pipe threading inserts
NPT 60° threading inserts
30° trapezoidal threading inserts (TR)
Through hole tap – Stainless steels
Blind hole tap – Stainless steels
Cast iron tap – through and blind holes
Forming tap – through and blind holes
Taps for fine, pipe and inch threads
Custom tap
Threading: taps and inserts for every thread
For thread turning INNOT offers partial-profile and full-profile inserts for ISO metric, Whitworth, UN, BSPT, NPT and trapezoidal threads. For threading holes there are taps for through holes, taps for blind holes and thread forming taps, in versions dedicated to steel, stainless steel, cast iron and aluminium.
Cutting tap or forming tap?
A cutting tap removes chips and works in almost every material. A forming tap shapes the thread by deformation, without chips: the thread is stronger and the tap lasts longer, but it needs a ductile material and a larger pre-drilled hole.
Partial or full profile?
A partial-profile insert covers a range of pitches with a single insert and is handy for small batches. A full-profile insert also forms the thread crest: it gives an exact profile and needs fewer passes.
Frequently asked questions
Do you make taps for special threads?
Yes: metric fine, BSP (G), Whitworth, UNC, UNF, UNEF, Pg and taps built to drawing with custom profile, tolerance and lengths.
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BLMP (high feed)
