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Gundrills
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Star Cutter Coolant Specifications
-The gundrill is a self-piloting tool, which requires high-pressure coolant flowing through the tool to keep the cutting edge lubricated. There are many manufacturers of Gundrill Coolants. Oil is the best type of coolant and yields the maximum tool life due to the Sulfur and Chlorine additives.
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Star Cutter CNC Machining Center Apps
-A pilot hole is required to serve as a starter bushing. We recommend that you produce a hole +.0005" in diameter and two times tool diameter in depth. A flat bottom configuration is preferred.
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Star Cutter Single Flute Gundrill
-Used as a general-purpose tool in most drilling applications to obtain hole sizes within .001", run-out requirements of .001" per inch, straightness of .001" per foot, and finishes of 63rms or better. This tool is a single flute 3 piece construction design and has the deepest flute channel, thus enabling maximum chip evacuation. Diameters are available from .0781 - 3.0". Lengths are available up to ¾" diameter at 72" and any length over ¾" diameter.
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Star Cutter Double Jet Gundrill
-A unique Star Cutter design used on interrupted cut applications when coolant is lost during breakout or intersecting holes. This tool allows coolant to be directed on the cutting edge, thus lubricating the corner of the tool and reducing the rubbing forces. Diameters are available from .2500" - 1.5". Lengths are available up to ¾" diameter at 72" and any length over ¾" diameter.
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Star Cutter Double Crimp Gundrill
Used for high penetration in softer materials. Cast Iron and Aluminum are typical materials where the use of two cutting edges allows twice the penetration rate of the Single Flute design. Diameters available from .2500" - .5625". Lengths are available up to 72".
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Star Cutter Two Flute Two Hole Gundrill
-Used for high penetration, same as the Double Crimp. This tool has a milled flute design and allows maximum rigidity. It is applied where length to diameter ratio's dictate a more rigid tool due to the lack of whip guides. This tool also has a limited flute channel and can only be applied on applications where the chips are smaller in size. Diameters are available from .2500" - 1.000". Lengths are available up to 48".
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Copyright 2008 Star Cutter
23461 Industrial Park Drive, P.O. Box 376 - Farmington Hills, MI 48335, USA
Phone: 248-474-8200 - Fax: - Contact Us
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