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Rotabroach® Annular tools cut clean, burr-free, round holes fast, unlike twist drills that push or hole saws that tear thru materials. Because they're hollow, they cut around the edge of the hole, so less work is required and no deforming of material or jagged edges occur. Multiple cutting teeth are precision ground instead of stamped like hole saws, give long tool life.
Rotabroach® Cutters are for precision holemaking in sheet metal, frame materials, and plate stock up to ½" thick, whether Mild Steel, Stainless Steel, or Aluminum. These are the same tools as those used by OEMs on assembly lines for access holes and accessory equipment installations. For body shops and frame straighteners, custom building and detailing, aftermarket installations, rustproofers and undercoaters - wherever fast, rugged, and superior quality holes are required - Rotabroach Cutters are the single answer. Patented tooth geometry also prevents chip clogging when cutting steel, sheet metal, or plastics.
Arbors fit 3/8" and 1/2" hand held drill chucks and use either spring loaded pilots or skip-proof pilots which eliminate pre-drilling operations.

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Rotabroach® Cutters
Dia.
Inches |
Decimal
Equivalent |
Part No. |
Max.
D.O.C. |
Use arbor 11122 |
1/4 |
.2500 |
11100-3 |
1/4" |
5/16 |
.3125 |
11104-3 |
1/4" |
Use arbor 11122 or 11123 |
3/8 |
.3750 |
11108-3 |
1/4" |
7/16 |
.4375 |
11112-3 |
1/4" |
1/2 |
.5000 |
11116-3 |
1/4" |
9/16 |
.5625 |
11120-3 |
1/4" |
5/8 |
.6250 |
11124-3 |
1/4" |
11/16 |
.6875 |
11128-3 |
1/4" |
3/4 |
.7500 |
11132-3 |
1/4" |
Use arbor 11007 |
13/16 |
.8125 |
11336 |
1/2" |
7/8 |
.8750 |
11340 |
1/2" |
15/16 |
.9375 |
11344 |
1/2" |
1 |
1.0000 |
11348 |
1/2" |
1-1/16 |
1.0625 |
11352 |
1/2" |
1-1/8 |
1.1250 |
11356 |
1/2" |
1-3/16 |
1.1875 |
11360 |
1/2" |
1-1/4 |
1.2500 |
11364 |
1/2" |
1-5/16 |
1.3125 |
11365 |
1/2" |
1-3/8 |
1.3750 |
11366 |
1/2" |
1-7/16 |
1.4375 |
11367 |
1/2" |
1-1/2 |
1.5000 |
11368 |
1/2" |
Click Here for Metric Cutters - Available from 6mm to 20mm
* For best results always use Rotabroach Stick Lubricant (Part No.11750). Stick lube offers extended tool life and better cutting action.
See the Rotabroach® Difference

1. New Twist Drill
2. New Hole Saw
3. Used Rotabroach Cutter

Rotabroach® Cutter Kit
Part No. |
Description |
11090 |
5/16, 3/8, 7/16, 1/2, 9/16, 5/8, & 3/4" Cutters, Arbor, (2) Extra Pilots, & Center Punch |
11092 |
8,10, 12, 14, 16, 18, 20mm Cutters, Arbor, (2) Extra Pilots, & Center Punch |
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Arbors for Rotabroach® Cutters

P/N 11122
Triple flatted for 3/8" chuck and
1/4" thru 3/4" diameter cutters w/ standard pilot
Description |
Part No. |
Pilot - 3 Pk |
11121 |
Washer - 3 Pk |
11656 |

P/N 11123
Triple flatted for 3/8" chuck and
3/8" thru 3/4" diameter cutters w/ Skip-Proof Pilot
Description |
Part No. |
Skip-Proof Pilot - 3 Pk |
11097 |
Stop Washer - 3 Pk |
11655 |

P/N 11007
Triple flatted for 1/2" chuck and
13/16" thru 1-1/2" diameter cutters
Description |
Part No. |
Pilot - 3 Pk |
11628 |
Hex Washer - 3 Pk |
11008 |

Rotabroach® Large Diameter Cutter Kit
Part No. |
Description |
11091 |
7/8, 1, 1-1/8, 1-1/4, 1-3/8,
& 1-1/2" Cutters, Arbor, Center Punch & Extra Pilot |
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