Drill Mills​

March 23, 2021
Multi-Operational Specialty Tool for Milling, Chamfering, Light Spotting

Scientific Cutting Tools welcomed the new year with the launch of brand new drill mills. The versatile, multi-operational specialty tool is designed for milling, chamfering, and light spotting applications. Despite the word 'drill' in the name, it is not recommended for drilling. The name is conceived from the common industry standard for the tool. 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 increased feed rates in hard materials. Items are stocked uncoated or AlTiN coated. AlTiN coating is highly recommended for longevity and high-speed applications.

The drill mills are the newest addition to the specialty tool group. Helical chamfer mills were introduced in late 2018 followed by spotting drills in 2020. Both tools are significantly superior at their singular tasks, however, the drill mills have the advantage of performing both operations as well as general milling. The utility and diversity of the drill mill functions provide flexibility and enhanced productivity in one outstanding tool.

Related Glossary Terms

  • chamfering

    chamfering

    Machining a bevel on a workpiece or tool; improves a tool’s entrance into the cut.

  • feed

    feed

    Rate of change of position of the tool as a whole, relative to the workpiece while cutting.

  • gang cutting ( milling)

    gang cutting ( milling)

    Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.

  • 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.

  • milling

    milling

    Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.

  • milling machine ( mill)

    milling machine ( mill)

    Runs endmills and arbor-mounted milling cutters. Features include a head with a spindle that drives the cutters; a column, knee and table that provide motion in the three Cartesian axes; and a base that supports the components and houses the cutting-fluid pump and reservoir. The work is mounted on the table and fed into the rotating cutter or endmill to accomplish the milling steps; vertical milling machines also feed endmills into the work by means of a spindle-mounted quill. Models range from small manual machines to big bed-type and duplex mills. All take one of three basic forms: vertical, horizontal or convertible horizontal/vertical. Vertical machines may be knee-type (the table is mounted on a knee that can be elevated) or bed-type (the table is securely supported and only moves horizontally). In general, horizontal machines are bigger and more powerful, while vertical machines are lighter but more versatile and easier to set up and operate.

Additional Products from Scientific Cutting Tools Inc.

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…

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…

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…

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 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…

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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