Klein Unibit Step-Drill Bits
- Perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit.
- Each Klein-Unibit does the work of many drill-bit sizes.
- Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2 mm) thick as well as in plastic and wood.
- No center punching or pilot hole drilling is required on most sizes.
- The bits are easy to keep sharp.. and the hole size is easily determined by the diameter markings that are permanently laser-etched in the flute areas.
- Fabricated of rugged, high-speed steel in sizes to fit 1/4", 3/8" or 1/2" chuck of portable electric drills and drill presses.
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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. |
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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. |
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| 59001 |
$21.00 |
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| 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" |
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| 59002 |
$41.50 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 8 in 1/16" steps |
9/16" to 1" |
1/2" or larger |
1/2" & larger |
1/8" |
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| 59003 |
$35.75 |
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| 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" |
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| 59004 |
$84.25 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 10 in 1/16" steps |
13/16" to 1-3/8" |
3/4" or larger |
1/2" & larger |
1/8" |
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| 59005 |
$21.00 |
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| 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" |
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| 59007 |
$21.00 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 1 |
1/2" |
No |
1/4" & larger |
n/a |
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| 59008 |
$41.25 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 1 |
7/8" |
No |
3/8" & larger |
n/a |
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| 59010 |
$55.25 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 1 |
1-1/8" |
No |
1/2" & larger |
n/a |
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| 59011 |
$55.25 |
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| No. of Hole Sizes |
Diameters |
Pilot Hole |
Drill Size |
Depth of
Each Step |
| 2 |
7/8" & 1-1/8" |
No |
1/2" & larger |
1/8" |
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| 59014 |
$42.75 |
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| 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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