Carbide Koolcarbâ Extra Length Drill

 

175both.jpg (21573 bytes)

Style 175
  • 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 @ 17.5 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
17501250 1/8 3.175 .1250 5-1/4 133 2-7/8 73
17501378   3.5 .1378 5-9/16 141 3-1/8 79
17501406 9/64 3.571 .1406 5-9/16 141 3-1/8 79
17501562 5/32 3.967 .1562 5-29/32 150 3-15/32 88
17501575   4. .1575 5-29/32 150 3-15/32 88
17501719 11/64 4.366 .1719 6-7/32 158 3-3/4 95
17501772   4.5 .1772 6-9/16 167 4-1/8 105
17501875 3/16 4.763 .1875 6-9/16 167 4-1/8 105
17501969   5. .1969 6-7/8 175 4-7/16 113
17502031 13/64 5.159 .2031 6-7/8 175 4-7/16 113
17502165   5.5 .2165 7-7/32 183 4-3/4 121
17502188 7/32 5.558 .2188 7-7/32 183 4-3/4 121
17502344 15/64 5.954 .2344 7-1/2 191 5 127
17502362   6. .2362 7-1/2 191 5 127
17502500 1/4 6.35 .2500 7-7/8 200 5-7/16 138

 

 
INDEX

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