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Drill Bits - Clarkson-Osborn Cobalt Jobber Drills, Various Letter Sizes, DR09 Series

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Drill Bits - Clarkson-Osborn Cobalt Jobber Drills, Various Letter Sizes, DR09 Series

PU725229 Basket

SKU: 14290-DR09101
$12.12 CAD

Drill Bits - Clarkson-Osborn Cobalt Jobber Drills, Various Letter Sizes, DR09 Series - A is currently out of stock.

Item #: DR09

*Priced per each.

  • Cobalt Jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS
  • Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece
  • 135° split point (self-centering) which eliminates "Walking" and reduces the thrust force
  • Cobalt drills are suitable for harder material including alloy steels, stainless steel, and other difficult to drill materials
  • Click here to see sizes 1/64" - 3/4"
  • Click here to see sizes #1 - #40
  • Click here to see sizes #41 - #80
Part # Letter Gauge Decimal
Equivalent 		Flute Length Overall Length Package Quantity
DR09101 A 0.2340 2-5/8 3-7/8 10
DR09102 B 0.2380 2-3/4 4 10
DR09103 C 0.2420  2-3/4 4 10
DR09104 D 0.2460  2-3/4   4 10
DR09106 F 0.2540  2-7/8  4-1/8  10
DR09107 G 0.2610  2-7/8  4-1/8  10
DR09108 H 0.2660 2-7/8  4-1/8  10
DR09109 I 0.2720 2-7/8  4/1/8  10
DR09110 J 0.2770  2-7/8  4-1/8  10
DR09111 K 0.2810  2-15/16 4-1/4  10
DR09112 L 0.2900  2-15/16  4-1/4  10
DR09113 M 0.2950 3-1/16  4-3/8  10
DR09114 N 0.3020 3-1/16  4-3/8  10
DR09115 O 0.3160  3-3/16  4-1/2  10
DR09116 P 0.3230  3-5/16  4-5/8  10
DR09117 Q 0.3320  3-7/16  4-3/4  5
DR09118 R 0.3390 3-7/16  4-3/4  5
DR09119 S 0.3480  3-1/2  4-7/8  5
DR09120 T 0.3580 3-1/2  4-7/8  5
DR09121 U 0.3680 3-5/8  5  5
DR09122 V 0.3770  3-5/8  5  5
DR09123 W 0.3860 3-3/4  5-1/8  5
DR09124 X  0.3970 3-3/4  5-1/8  5
DR09125 Y 0.4040 3-7/8  5-1/4  5
DR09126 Z  0.4130 3-7/8  5-1/4  5
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