21PC Fractional COBALT Jobber Drill Bit Set (up to 3/8″)
21PC Fractional COBALT Jobber Drill Bit Set (up to 3/8″)
Part# 58-4821
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 21 fractional COBALT jobber drill bits. Includes sizes 1/16″ to 3/8″ by the 64ths increment
Includes M35 COBALT steel and 135° split point fractional COBALT jobber drill bits
COBALT finish makes these bit stronger and lasts longer than a black&gold twist 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.
