Family Owned. American Made.

Carbide cutting tools made in the USA — with honest pricing and expert support.

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Since 1963: Family-Owned. Quality Driven. 

  • 100% USA Made

  • Quick Turnaround & Responsive Support

  • Modified & Custom Tools Available

  • Advanced Quality Control

Engineered for precision port cutting in ORB-style hydraulic fittings. Available in multiple configurations to meet SAE J1926/1 and MS16142 standards, with optional AlTiN+ and ZrCN coatings.

Designed for smoother cutting and reduced chatter, our 15° helical thread mills deliver clean, accurate threads in tough materials and high-performance applications.

SPTM tools cut a single pitch at a time for maximum precision and flexibility. Ideal for threading large diameters or tough materials where control and accuracy matter most.

TRUSTED BY INDUSTRY LEADERS AND VISIONARIES

  • "I've never been let down by your tools."

    Travis Jarrett, Machinist, Titans of CNC

  • "Best thread mills on the market."

    Land Gould, Operations Manager, LTG Machining

  • "Your thread mills saved my life."

    Gary Carter, Machinist, Lyons Machine Tool

  • "SCT thread mills are an excellent product."

    Emmett Quigley, Lead Aerospace Engineering Technician, NASA Ames Research Center

  • "I love your thread mills."

    Garrett Bailey, Experimental Machinist, John Hopkins Applied Physics Lab

  • "They [NPT Thread Mills] have a clean cut, great finish and perfect seal – exactly what you want when you’re pulling vacuum."

    Bradley Thomas, Owner, Marvel Machining

  • "SCT's single point tools are all we use. The quality is just phenomenal."

    Albert Orantes, Manufacturing Specialist, DeKING Precision

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