Description
Bore precision holes through structural steel mower frames and equipment trailer tongues inside tight service bays. The Champion Cutting Tool Little Brute magnetic drill delivers 1-3/8 inch annular hole capacity in a compact profile. This portable magnetic drill uses a 1200-watt electric motor. The magnetic base requires flat structural steel plate over 3/8-inch thickness to hold firm.
Die-cast aluminum alloy forms the motor slide housing, maintaining alignment under heavy feed downforce. A high-density electromagnetic base generates 2200 lbs of holding force to lock the tool in vertical, horizontal, or overhead drilling positions. Hardened steel quill gears drive the 3/4-inch Weldon shank arbor. The gravity-feed internal coolant reservoir delivers cutting fluid through the center pilot pin, clearing chips from the cut channel.
Key Features of Champion RB30
Fleet mechanics use this compact magnetic drill press to modify mower decks and drill trailer hitch plates. The low frame height fits inside narrow machinery compartments.
- 1-3/8 inch diameter annular cutting capacity bores clean holes through thick structural steel
- 1200-watt industrial motor produces continuous spindle torque for commercial fabrication
- 2200 lb electromagnetic base secures the drill to carbon steel workpieces without clamps
- Quick-change 3/4-inch Weldon tool arbor accepts standard industrial annular cutters
- Internal arbor lubrication system feeds cutting fluid direct to cutter teeth
- Compact 11-inch overall height fits inside cramped machine frames and chassis channels
- Reversible feed handle switches from left to right side for clearance against obstructions
Magnetic Adhesion Bench Telemetry Data
Tensile breakaway testing confirms 2240 lbs of magnetic holding force on clean 1-inch ASTM A36 plate steel. Base adhesion drops by 40 percent on 1/4-inch plate steel. Spindle runout measures under 0.0012 inches under full 450 RPM drill load. Current draw measures 10.2 amps while boring 1-inch holes through 1/2-inch structural steel. Acoustic output registers 78 dBA during continuous metal drilling cycles.
Metal Drilling Parameters Safety Guardrails
Wipe all metal filings and scale from the steel workpiece before engaging the magnet power switch. Connect the safety strap around the machine and secure it to the equipment frame before drilling overhead. Do not operate this electromagnetic drill on non-magnetic stainless steel, aluminum, or dirty cast iron.
- Electromagnetic base contact surface requires stone dressing to knock down burrs
- Quill slide dovetails demand brass gib screw adjustments to eliminate side play
- Arbor coolant seal rings need visual checks to stop fluid leaks into motor windings
Champion Mag Drill Warranty Manifest
Champion Cutting Tool backs this magnetic drill with a 1-Year commercial warranty covering motor windings and mechanical gearing. The kit includes the Little Brute drill, coolant bottle assembly, safety strap, chuck keys, and carrying case.