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Jobber drill bits?
Champion Cutting Tool Brute Platinum 29 Piece 1/16-1/2 x 64ths HSS Mechanics Length Twister-XL28 Drill Bit Set-135 Degree Split Point, Water Resistant Index-MADE IN USA
What is the difference between a twist drill and a jobber length drill bit? - Quora
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Superior Industrial Supply, Blog
What is the difference between a twist drill and a jobber length drill bit? - Quora