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Triumph Cobalt Twist Drill Bit ~ Jobber Length

Regular price $ 1.65 Sale

Made in the USA  ·  Triumph Twist Drill

  • Quality American-made Cobalt jobber drill bit
  • 135° split point for precision drilling
  • Heavy duty construction use - good for hard metals & alloys
  • Made of Cobalt steel - bronze oxide finish
  • For use in stainless steels, iron & cast materials, low & high carbon steel, high alloy steel, tough & medium, high tensile strength alloys

  • A high quality American-made Cobalt jobber drill bit made by Triumph Twist Drill Co. Made of Cobalt steel, these drill bits have increased heat resistance when drilling into materials & are great for heavy duty construction use. The drill bits have a 135° split point for quick penetration & precision drilling, no walking & no drill bit wandering. They will work in a variety of materials including stainless steels, iron & cast materials, low & high carbon steel, high alloy steel, tough & medium, high tensile strength alloys.   Made in the USA.

        Triumph Twist Drill has manufactured High-Quality cutting tools for over 50 years. Starting in 1952, founder Harry Beck set out to provide customers with a product that the drill industry had been lacking. Harry, along with his son Jim and Cy Brock, decided to enter the small drill business and create quality, handmade products with the customer in mind.


  • Drill Bit Diameter
    Decimal Equivalent Flute Length Overall Length
    Model
    1/16"  .0625 7/8" 2" 011504
    5/64"
    .0781 1" 2" 011505
    3/32" .0938 1 - 1/4" 2 - 1/4" 011506
    7/64" .1094 1 - 1/2" 2 - 5/8" 011507
    1/8" .1250 1 - 5/8" 2 - 3/4" 011508
    9/64" .1406 1 - 3/4" 2 - 7/8" 011509
    5/32" .1562 2" 3 - 1/8" 011510
    11/64" .1719 2 - 1/8" 3 - 1/4" 011511
    3/16" .1875 2 - 5/16" 3 - 1/2" 011512
    13/64" .2031 2 - 7/16" 3 - 5/8" 011513
    7/32" .2188 2 - 1/2" 3 - 3/4" 011514
    15/64" .2344 2 - 5/8" 3 - 7/8" 011515
    1/4" .2500 2 - 3/4" 4" 011516
    17/64" .2656 2 - 7/8" 4 - 1/8" 011517
    9/32" .2812 2 - 15/16" 4 - 1/4" 011518
    19/64" .2969 3 - 1/16" 4 - 3/8" 011519
    5/16" .3125 3 - 3/16" 4 - 1/2" 011520
    21/64" .3281 3 - 5/16" 4 - 5/8" 011521
    11/32" .3438 3 - 7/16" 4 - 3/4" 011522
    23/64" .3594 3 - 1/2" 4 - 7/8" 011523
    3/8" .3750 3 - 5/8" 5" 011524
    25/64" .3906 3 - 3/4" 5 - 1/8" 011525
    13/32" .4062 3 - 7/8" 5 - 1/4" 011526
    27/64" .4219 3 - 15/16" 5 - 3/8" 011527
    7/16" .4375 4 - 1/16" 5 - 1/2" 011528
    29/64" .4531 4 - 3/16" 5 - 5/8" 011529
    15/32" .4688 4 - 5/16" 5 - 3/4" 011530
    31/64" .4844 4 - 3/8" 5 - 7/8" 011531
    1/2" .5000 4 - 1/2" 6" 011532

     

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