RUSHMORE USA 104143 #7 Plain 60° Solid Carbide Combination Drill & Countersink

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Item #
20-830-207
  • Brand: RUSHMORE USA
  • Type: Plain
  • Industry Standard Type: Number
  • Industry Standard: #7
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$239.11
Product Specifications
More Information
Brand RUSHMORE USA
Tool Material Solid Carbide
Finish Coating TiN
Overall Length 3-1/2"
Type Plain
Industry Standard Type Number
Industry Standard #7
Included Angle 60°
Drill Diameter 1/4"
Body Diameter 5/8"
First Choice For: Steel
Model # 104143
Prop. 65 Yes
Tolerance_Cutting Diameter +.003" / -.000"
Tolerance_Shank +.000" / -.001"
Weight 0.086 lbs.
Workpiece Material Range Steel, Stainless Steel, Cast Iron
Country of Origin UNITED STATES OF AMERICA

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Details
Double End Solid Carbide Drills & Countersinks from Rushmore. With this unique double design housing, machinists can save on valuable tool change time. Fine-grain, C2 grade Solid Carbide can withstand high friction temperatures upto 400° C. The spiral flute are arranged to offer right-hand (clockwise direction) cuts. This center drill tool's purpose is mainly to drill and enlarge the opening of a hole on a wide range of workpiece materials including Steel, Stainless Steel, Non-Ferrous, Cast Iron, producing a flat bottom for a socket-head screw to fit flush with the surface. This tool can be simultaneously used to remove the burr on the drill hole for safety and/or optical reasons. The selection of the right countersink angle depends on the application and works well with low cutting speed. Rushmore offers combined drills & countersinks in standard sizes of included angles 60° for specific applications. The bright-finished, round shank body comes in diameter sizes of 1/8", 3/16", 1/4", 5/16", 7/16", 1/2", 5/8", and 3/4". Shank diameter tolerances are at +0.000/-0.001". Models are available in overall length of 1-1/2", 2", 2-1/2", 2-3/4", 3", 3-1/2" and 4". Drill diameter tolerances are at +0.003 / -0.000". Rushmore USA Tools offers quality affordable American-made tooling with the superior speed and feed that your applications require. Rushmore's end mills are perfect for all aerospace, medical, automotive, or production machining solutions.

Applications

  • Used for producing center holes in components or workpieces which require machining between centers.

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