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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

$9.78 $12.23

Item #: DR09*Priced per each.Cobalt Jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSSGold oxide surface finish provides a polished...

  • Categories:
    Drill Bits
  • SKU:
    DZXD1968341075
  • Availability:
    In stock

Description

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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