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Home Klein Tools - Discount Prices on Klein Knives & Sharpening Tools Klein Tool Index Klein Tools - Discount Prices on Klein Knives & Sharpening Tools Klein Drill Bits Klein Knives & Sharpening Tools Step-Drill Bits

Klein Tools Logo Step-Drill Bits

Klein-Unibit® Titanium-Nitride Coated Step-Drill Bits
  • These new bits are similar to our high-speed steel step-drill bits but have a titanium-nitride coating.
  • This new coating, which has a hardness value of 82 to 86 on the Rockwell "C" scale, creates a surface that makes the bits last up to 4 to 5 times longer than ordinary drill bits.
  • It also dramatically reduces friction for cooler, smoother running without lubrication.
  • The bits are perfect for drilling accurate round holes in thin metal (up to 1/8" thick), i.e. steel, brass, aluminum and copper, as well as plastic and wood.
  • Self-starting tips won't skid.
  • No center punching or pilot hole drilling is required.
  • The bits are easy to keep sharp.
  • The easy-to-read hole sizes are permanently laser-etched in the flute areas.
  • The bits are designed for use in portable electric drills and drill presses.
Klein-Unibit drill bit eliminates skidding Unlike standard-point twist drills with two cutting surfaces, the single-flute design of the Klein-Unibit drill bit eliminates skidding. Single cutting-edge design assures penetration of softer materials at the proper speed, stops "hogging-in", helps to eliminate chatter and vibration. Hole is de-burred automatically by the next succeeding size. You can feel and see each step as the bit penetrates. Hole-size diameters are permanently laser-etched in the flute area of each bit, and offer quick and positive identification of each hole-size step to help eliminate user errors.
Klein-Unibit drill bits are real time savers in electrical work Klein-Unibit drill bits are real time savers in electrical work. Rugged, high-speed steel drills steel, brass, aluminum, and copper sheet with ease. No center punch or pilot holes required for most sizes.
Klein-Unibit Step-Drill Bit No. 1T
59001T $28.75
No. of Hole Sizes Diameters Pilot Hole Drill Size Depth of
Each Step
13 in 1/32" steps 1/8" to 1/2" No 1/4" & larger 1/8"

Klein-Unibit Step-Drill Bit No. 3T
59003T $48.50
No. of Hole Sizes Diameters Pilot Hole Drill Size Depth of
Each Step
9 in 1/16" steps 1/4" to 3/4" No 3/8" & larger 1/8"

Klein-Unibit Step-Drill Bit No. 5T
59005T $31.75
No. of Hole Sizes Diameters Pilot Hole Drill Size Depth of
Each Step
6 in 1/16" steps 3/16" to 1/2" No 1/4" & larger 3/8"

Klein-Unibit Step-Drill Bit No. 14T
59014T $55.00
No. of Hole Sizes Diameters Pilot Hole Drill Size Depth of
Each Step
12 in 1/16" steps 3/16" to 7/8" No 3/8" & larger 1/8"



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