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Introduced as PRECISIONLIGHT, this new program of HSS drills will reportedly provide affordable reliability together with a level of service and support consistent with that of the balance of the Dormer Pramet broad product offering. Including screw machine, jobber, mechanics lengths and reduced shank drills, the PRECISIONLIGHT program represents another move by Dormer Pramet in support of their “one-stop-shop” philosophy while continuing to reinforce their established tradition of brand quality.
This new program of HSS drills has been developed to provide both versatility and performance in a variety of materials and includes general-purpose drills with conventional 118 degree point geometries, as well as tougher styles with 135 degree point self-centering split points for more challenging applications. In general, the new PRECISIONLIGHT product range will cover most ferrous applications with drills suitable for use in portable drilling, drill presses and other operations.
The focus products of the PRECISIONLIGHT program are the WORKLIGHT range of drills. Their unique design is optimized for ease of use and reliability and includes a new flute geometry that improves chip evacuation, provides better coolant flow to the point and reduces the effort required to push the drill through the workpiece. The WORKLIGHT drill design is offered in five series - 332HD, 333HD, 312SM. 342SDT and 344RS.
The complete program also includes PRECISIONLIGHT Drill Sets which include a range of sizes available in most styles.
Related Glossary Terms
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- high-speed steels ( HSS)
high-speed steels ( HSS)
Available in two major types: tungsten high-speed steels (designated by letter T having tungsten as the principal alloying element) and molybdenum high-speed steels (designated by letter M having molybdenum as the principal alloying element). The type T high-speed steels containing cobalt have higher wear resistance and greater red (hot) hardness, withstanding cutting temperature up to 1,100º F (590º C). The type T steels are used to fabricate metalcutting tools (milling cutters, drills, reamers and taps), woodworking tools, various types of punches and dies, ball and roller bearings. The type M steels are used for cutting tools and various types of dies.
- shank
shank
Main body of a tool; the portion of a drill or similar end-held tool that fits into a collet, chuck or similar mounting device.
