High-Performance Helical Chamfer Mills

March 26, 2019
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 pressure and improved chip evacuation, thus achieving extremely high performance.

Made from premium submicron carbide, the tools are manufactured in both 3-flute and 5-flute versions to address a wide variety of materials. The 3-flute design is ideal for softer materials while the 5-flute design performs well in harder materials.

Helical chamfer mills are made on CNC tool and cutter grinders to exacting tolerances. Sizes range from 1/8” to ¾” cutter diameters, and come in 60, 90 and 120 degree included angle configurations. The front of the tool is ground flat and the tip diameter is held to + or – 0.002 inch tolerance to provide ease of set up and accuracy in programming. 

In addition, the small tip diameters allow for maximum machining flexibility. These high-performance cutters are stocked and ready to ship with either a bright finish or an AlTiN coating. AlTiN coating is highly recommended for steel applications, to achieve high cutting speeds and to extend tool life.

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.

  • flat ( screw flat)

    flat ( screw flat)

    Flat surface machined into the shank of a cutting tool for enhanced holding of the tool.

  • included angle

    included angle

    Measurement of the total angle within the interior of a workpiece or the angle between any two intersecting lines or surfaces.

  • tolerance

    tolerance

    Minimum and maximum amount a workpiece dimension is allowed to vary from a set standard and still be acceptable.

Additional Products from Scientific Cutting Tools Inc.

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…

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…

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…

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…

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…

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.

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…

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…

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