PM Cobalt Kooltwistâ Intermediate TiN Drill

 

260both.jpg (17547 bytes)

Style 260

depth @ 5 x Ø

  • Premium cobalt coolant fed construction offers additional wear resistance and edge toughness over carbide tools when cutting forged steel, a wide variety of alloy steels, high temperature alloys, and other difficult to machine materials.
  • 140° double split point actively cuts along the entire cutting edge.
  • TiN coated.
  • Right hand spiral, right hand cut.
  • Heavy web high helix construction clears chips more effectively than conventional flute shapes.
 
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

           TiN Coated

Shk Æ = Cut Æ

 

EDP
#		 Cutting Æ "D" Dec Equiv. Overall Length "A" Flute Length "B" Usable Flute at Full Regrind "F" Ineffective Flute Length
Inch mm Inch Inch mm Inch mm Inch mm Inch mm
26002500 1/4 6.35 .2500 4-1/4 108 1-3/4 44 1.1 27 .24 6
26002656 17/64 6.746 .2656 4-3/8 111 1-7/8 48 1.2 30 .24 6
26002812 9/32 7.142 .2812 4-1/2 114 2 51 1.2 31 .26 7
26002969 19/64 7.541 .2969 4-1/2 114 2 51 1.2 31 .26 7
26003125 5/16 7.938 .3125 4-3/4 121 2-3/16 56 1.4 35 .28 7
26003281 21/64 8.334 .3281 4-3/4 121 2-1/4 57 1.5 37 .29 7
26003438 11/32 8.733 .3438 4-7/8 124 2-3/8 60 1.5 39 .30 8
26003594 23/64 9.129 .3594 5 127 2-1/2 64 1.7 42 .32 8
26003750 3/8 9.525 .3750 5-1/8 130 2-5/8 67 1.8 46 .33 8
26003906 25/64 9.921 .3906 5-3/8 137 2-3/4 70 1.9 49 .33 8
26004062 13/32 10.317 .4062 5-1/2 140 2-7/8 73 2 50 .35 9
26004219 27/64 10.716 .4219 5-5/8 143 3 76 2.1 53 .37 9
26004375 7/16 11.113 .4375 5-5/8 143 3 76 2.1 53 .37 9
26004531 29/64 11.509 .4531 5-3/4 146 3-1/8 79 2.2 55 .39 10
26004688 15/32 11.908 .4688 5-7/8 149 3-1/4 83 2.3 57 .40 10
26004844 31/64 12.304 .4844 6 152 3-3/8 86 2.4 60 .40 10
26005000 1/2 12.7 .5000 6 152 3-1/2 89 2.4 62 .41 11
26005625 9/16 14.288 .5625 6-1/4 159 3-7/8 98 2.7 70 .47 12
26006250 5/8 15.875 .6250 6-3/4 171 4-3/8 111 3.1 79 .52 13

 

 
INDEX

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