Fein 120V Electric Rotary Drill up to 16mm

Description

Weak hand drills stall out and smoke armatures when spinning large twist drills through thick structural steel plate. The Fein 120V Electric Rotary Drill up to 16mm delivers relentless low-speed rotational torque for continuous industrial metalworking. A 1050-watt electric motor drives mechanical reduction gears at 400 RPM. Forcing large bits into unlubricated structural steel will burn cutting margins.

Die-cast metal gearboxes protect heavy-duty spur gear reduction sets running in synthetic extreme-pressure grease. The electric motor wet-end features dual-insulated copper field coils coated in epoxy resin to resist conductive metal dust contamination. High-tensile steel chuck spindles ride inside precision needle roller bearings to prevent radial runout under heavy side thrust. The output spindle uses an industrial half-inch keyed chuck that grips large drill bit shanks firmly.

Rotary Drill Hardware Performance Matrix

High-torque mechanical gearboxes optimize rotational torque for large-diameter metal penetrations. Spade-grip rear handles provide rigid two-handed leverage against heavy rotational counter-torque.

• 0.625-inch steel drilling capacity handles heavy industrial machinery and structural steel fabrication
• 1050-watt 120-volt motor delivers sustained rotational torque under continuous feed resistance
• 400 RPM output spindle speed maintains optimal surface speed for high-speed steel twist drills
• Industrial half-inch keyed steel chuck clamps heavy drill shanks without slippage under load
• Spade grip rear handle provides rigid physical leverage against high rotational kickback
• Die-cast aluminum gear housing sheds internal gear heat during continuous production runs
• Reversible motor switch backs stuck twist drills out of deep structural steel holes

Rotational Drill Bench Telemetry

Bench testing monitors motor current draw and spindle torque across one-inch thick structural steel plate. Free motor rotation draws 2.2 amperes at 120 volts, surging to 9.8 amperes while driving a 5/8-inch twist drill through A36 carbon steel. Spindle rotation drops from 400 RPM free speed down to 335 RPM under heavy feed downforce. Output torque stabilizes at 48 foot-pounds during continuous metal drilling passes. Decibel sound level meters read 82 dBA at operator ear level. Gearcase temperatures climb 20 degrees Fahrenheit after fifteen deep holes.

Field Service Operational Traps

Drilling unlubricated structural steel burns drill bit cutting margins and overheats gearcases. Drywall installers driving light screws have no use for this heavy metal drilling machine. Never operate this high-torque machine without mounting the pipe handle lever bar.

• Apply sulfur-based cutting oil to metal drill bits during heavy plate penetration runs.
• Wipe metal shavings and cutting oil off chuck jaws after every production shift.
• Blow dry compressed air through motor ventilation slots every forty hours of use.

Commercial Warranty Package Inventory

Fein protects this commercial rotary drill with a 3-Year limited warranty upon online product registration. The carton contains the 120-volt rotary drill, industrial half-inch keyed chuck, chuck key, auxiliary side handle, and instruction manual.