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Straight Flute Thread Mills

January 21, 2016

Scientific Cutting Tools Inc. (SCT) stocks UN thread mills for cutting from 4-40 up to 3-1/2-8, as well as NPT, BSPP and BSPT 1/16 to 2½ and up, according to the company based in Simi Valley, Calif. Except for staggered-tooth thread mills, all of SCT's solid-carbide, straight-flute thread mills are crest-cutting, and are used for cutting internal threads only.

Engineered for high performance, the tools are said to be both economical and long-lasting. SCT's straight-flute thread mills are made from premium sub-micron carbide on state-of-the-art CNC tool and cutter grinders, and are stocked with or without ALTiN coating. 

Related Glossary Terms

  • computer numerical control ( CNC)

    computer numerical control ( CNC)

    Microprocessor-based controller dedicated to a machine tool that permits the creation or modification of parts. Programmed numerical control activates the machine’s servos and spindle drives and controls the various machining operations. See DNC, direct numerical control; NC, numerical control.

Additional Products from Scientific Cutting Tools Inc.

SAEJ1926 Port Tools

SAEJ1926 Port Tools Ideal for Non-Standard Thread Minor Diameters and Lengths
The SAEJ1926-X will cut the required spot face and O-Ring taper only; it does not cut the thread minor diameter. A coolant hole to each flute aids with increased chip evacuation, higher speeds and feeds, and longer tool life. The polished flute face optimizes performance for a smoother surface…

AS5202 Port Tools

AS5202 Port Tools Ideal for Non-Standard Thread Minor Diameters and Lengths
The AS5202-X will cut the required spot face and counterbore only; it does not cut the thread minor diameter. A coolant hole to each flute aids with increased chip evacuation, higher speeds and feeds, and longer tool life. The polished flute face optimizes performance for a smoother surface finish…

Drill Mills​

Multi-Operational Specialty Tool for Milling, Chamfering, Light Spotting
Cutting diameter sizes range from 1/8" to 1/2". Included angle options are 90° or 120°. The two-flute design is optimal when chip evacuation and increased chip per tooth are the priority. For harder materials, the fortified strength of the four-flute design performs best and allows for…

IS0 1179 Port Tools

Cuts Minor Thread (BSPP) Diameter, 90 Degree Included Angle, Spot Face
Smaller thread size port tools are three flutes and larger thread size port tools are four flutes. 1179 port tools have a polished flute face for the best performance. Items are stocked uncoated or AlTiN coated. AlTiN coating is highly recommended if cutting steel as the coating prevents the chip…

Single Point Thread Mill Line

Single Point Thread Mill Line
Scientific Cutting Tools has expanded the Single Point Thread Mill (SPTM) line with new sizes and lengths. The additional sizes include #5 and 7/16 for UN standards as well as larger M3 and M11 sizes for metric. The new extra long (XL) lengths were created for deeper threads. It is available in…

SPTM EXJ Thread Mill

SPTM EXJ Thread Mill
Scientific Cutting Tools offers the new SPTM EXJ thread mill. The SPTM EXJ is an economical tool engineered for cutting external UNJ threads. It features a single thread profile that is ideal for keeping side-cutting pressure low.

High-Performance Helical Chamfer Mills

High-Performance Helical Chamfer Mills
Scientific Cutting Tools Inc. announces a new line of high-performance helical chamfer mills. The helical cutters are significantly freer cutting and impart a smoother finish than the standard straight-flute alternatives. The variable-helical flute design provides high sheer, reduced side cutting…

Coolant Ring Technology Holders

Scientific Cutting Tools offers Coolant Ring Technology holders. CRT holders are made from high-quality heat-treated steel and come with a black-oxide coating. They are engineered to allow for better coolant penetration deep into the bore, reducing temperature at the cutting edge, according to the…

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