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Triumph HSS Letter Twist Drill Bit

Regular price $ 2.89 Sale

Made in the USA  ·  Triumph Twist Drill

  • Quality American-made Letter drill bit
  • 118° point
  • General purpose use
  • Made of high speed steel - black oxide finish
  • Jobber length bit - regular length
  • For use in stainless steels, iron & cast materials, low & high carbon steel, hard & softwoods, aluminum, aluminum alloys, brass, bronze - soft & medium, & plastics

  • A high quality American-made Letter drill bit made by Triumph Twist Drill Co. These jobber twist bits are made of High Speed Steel to hold their sharp cutting edges longer, & have a black oxide finish. These twist bits are for general purpose drilling in a variety of materials. For use in stainless steels, iron & cast materials, low & high carbon steel. May also use in hard & softwoods, aluminum, aluminum alloys, brass, bronze - soft & medium, & plastics.   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  Size
    Decimal Equivalent Flute Length Overall Length
    Model
    A .2340 2 - 5/8" 3 - 7/8" 013201
    B .2380 2 - 3/4" 4" 013202
    C .2420 2 - 3/4" 4" 013203
    .2460 2 - 3/4" 4" 013204
    E
    .2500 2 - 3/4" 4" 013205
    F .2570 2 - 7/8" 4 - 1/8" 013206
    G .2610 2 - 7/8" 4 - 1/8" 013207
    H .2660 2 - 7/8" 4 - 1/8" 013208
    I .2720 2 - 7/8" 4 - 1/8" 013209
    J .2770 2 - 7/8" 4 - 1/8" 013210
    K .2810 2 - 15/16" 4 - 1/4" 013211
    L .2900 2 - 15/16" 4 - 1/4" 013212
    M .2950 3 - 1/16" 4 - 3/8" 013213
    N .3020 3 - 1/16" 4 - 3/8" 013214
    O .3160 3 - 3/16" 4 - 1/2" 013215
    P .3230 3 - 5/16" 4 - 5/8" 013216
    Q .3320 3 - 7/16" 4 - 3/4" 013217
    R .3390 3 - 7/16" 4 - 3/4" 013218
    S .3480 3 - 1/2" 4 - 7/8" 013219
    T .3580 3 - 1/2" 4 - 7/8" 013220
    U .3680 3 - 5/8" 5" 013221
    V .3770 3 - 5/8" 5" 013222
    W .3860 3 - 3/4" 5 - 1/8" 013223
    X .3970 3 - 3/4" 5 - 1/8" 013224
    Y .4040 3 - 7/8" 5 - 1/4" 013225
    Z .4130 3 - 7/8" 5 - 1/4" 013226

     

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