15PC Fractional COBALT Jobber Drill Bit Set

  • Part# 58-4315
  • Industrial Quality for professionals & distributors
  • Comes with a heavy duty MADE IN USA steel index box/case for long lasting & convenient storage. Withstands drops and protects drills from rust, oil, and harsh weather
  • Contains 15 fractional COBALT jobber drill bits. Includes sizes 1/16″…1/2″ by the 32nds increment
  • Includes M35 industrial grade COBALT steel and 135° split point fractional COBALT jobber drill bits
  • COBALT steel makes these bit stronger and lasts longer than a black & gold drill bit. Wear, corrosion, and abrasion resistance is made better
  • Precision grounded from solid one piece design for exact specifications to ensure accurate holes
  • Spiral flute feature efficiently removes chips, plug, debris, and heat when drilling
  • Straight shank with 3 Flats for a tight, firm grip with drill chucks on sizes 3/16″ & up. Round straight shank on sizes 11/64″ & under.
Fractional COBALT Jobber drill bit set is ideal for drilling clean, accurate holes in wood and thin metal. It comes in a heavy duty MADE IN USA BOX. First, these fractional COBALT jobber drill bits feature a 135 degree split point tip that eliminates “wobbling” and ensures instant, fast starts. Thus, these fractional jobber drill bits eliminates the need for a pilot drill bit. Second, these drill bits contain a 3 flats or round straight shank. Moreover, these fractional jobber length drill bits feature M35 heat-treated COBALT steel that cuts faster and lasts longer than black & gold jobber drill bits.
Scroll to Top