Carbide Koolcarbâ Intermediate Length Drill

 

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Style 174
  • Coolant feeding S.C. Koolcarb® double margin drills provide excellent hole straightness and smoother finish.
  • Submicron carbide grade provides maximum wear resistance when cutting tool steels, titanium, aluminum castings, bronze, cast iron, plastics, and other abrasive materials.
  • 125° four facet web thinned point starts best into a larger point angle.
  • Straight flute, right hand cut.
  • Carbide body increases penetration rate over gundrills for use on machining centers.
  • Smaller diameters available to .1181" (3.0 mm), larger diameters and step constructions available up to .9483" (25.0 mm).
  • Allow 2.5 x Ø up to 1/4" (6.35 mm), 2 x Ø up to 7/16" (11.1 mm), and over 7/16" allow 1.5 x Ø of flute for chip exit.
 
Diameter Tolerance
Nominal Size Cutting Æ Shank Æ
Inch mm Inch mm
All +.0000 +0.000 +.0000 +0.000
-.0010 -0.025 -.0005 -0.013

   Depth @ 10.5 x Ø

Shk Ø = Cut Ø

 

EDP Cutting Æ "D" Dec Equiv. Overall Length "A" Flute Length "B"
Inch mm Inch Inch mm Inch mm
17401250 1/8 3.175 .1250 4-1/4 108 1-13/16 46
17401378   3.5 .1378 4-7/16 113 2 51
17401406 9/64 3.571 .1406 4-7/16 113 2 51
17401562 5/32 3.967 .1562 4-21/32 118 2-7/32 56
17401575   4. .1575 4-21/32 118 2-7/32 56
17401719 11/64 4.366 .1719 4-7/8 124 2-7/16 62
17401772   4.5 .1772 5 127 2-5/8 67
17401875 3/16 4.763 .1875 5 127 2-5/8 67
17401969   5. .1969 5-1/4 133 2-13/16 71
17402031 13/64 5.159 .2031 5-1/4 133 2-13/16 71
17402165   5.5 .2165 5-7/16 138 3 76
17402188 7/32 5.558 .2188 5-7/16 138 3 76
17402344 15/64 5.954 .2344 5-3/4 146 3-9/32 83
17402362   6. .2362 5-3/4 146 3-9/32 83
17402500 1/4 6.35 .2500 5-7/8 149 3-7/16 87

 

 
INDEX

Last Updated on 03/21/02
By Bob Novak Media Development
Copyright Ó1999 CJT KOOLCARB Inc.