Makita Sheet Metal Nibbler JN1601 16 Gauge 5 Amp Corded Cutting Tool (2200 SPM 360 Degree Rotating Die 1-3/4 Inch Cut Radius)
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Makita JN1601 16-Gauge 5.0 Amp Corded Sheet Metal Nibbler
The Makita JN1601 16-Gauge Sheet Metal Nibbler is an industrial electric cutting tool engineered for distortion-free shearing through corrugated deck plate, keystone siding, and sheet metals. Powered by a 5.0-amp motor delivering 2,200 strokes per minute (SPM) with a 1/4-inch stroke length, this 3.6-pound compact nibbler cuts up to 16-gauge mild steel, 18-gauge stainless steel, and 10-gauge aluminum. Outfitted with a 360-degree rotating die head, a 1-3/4-inch inner cutting radius, a slim barrel grip with a lock-on sliding switch, and a built-in thickness gauge notch, this double-insulated tool executes tight radius profile turns without bending or warping delicate roof panel stock.
Best Used For:
- Corrugated Metal Roofing & Siding Installation: Trimming corrugated roof panels, keystone deck plates, and standing seam metal siding without warping material edges.
- Tight Radius Sheet Metal Profiling: Executing smooth curved cutouts and internal HVAC duct penetrations down to a 1-3/4 inch inner cutting radius.
- High-Gauge Metal Fabrication Shearing: Cutting 16-gauge mild steel, 18-gauge stainless steel, and 10-gauge aluminum sheets without thermal material distortion.
Key Performance & Safety Features
- 5.0 Amp High-Output Motor: Drives internal punch mechanism at 2,200 SPM for clean, burr-free chip removal through structural metal sheet.
- 360-Degree Stepless Rotating Die: Die casing swivels a full 360 degrees to allow forward, sideways, and angled cut lines without repositioning hands.
- 1/4-Inch Large Stroke Punch Action: Extended 1/4-inch punch stroke cleanly clears chips out of corrugated panel channels to prevent binding.
- Slim 3.6 lb Ergonomic Barrel Grip: Small-circumference housing reduces hand fatigue and enhances operator control during continuous production cutting.
- Built-In Sheet Thickness Gauge: Integrated slot gauge on the tool body permits instant measurement of sheet metal thickness before cutting.
- Externally Accessible Carbon Brushes: Serviceable motor brushes allow quick carbon replacement on jobsite benches to minimize downtime.
What's Included
- (1) Makita JN1601 16-Gauge Corded Sheet Metal Nibbler
- (1) Spanner Wrench (781028-4)
- (1) Hex Wrench (783208-8)
Technical Specifications
| Brand / Manufacturer | Makita |
| Model / Part Number | JN1601 |
| Motor Amperage & Voltage | 5.0 Amps @ 120V AC / 60 Hz |
| Strokes Per Minute (SPM) | 2,200 SPM |
| Stroke Length | 0.25 in. (6.35 mm / 1/4 in.) |
| Capacity in Mild Steel | 16 Gauge (1.6 mm / 0.063 in.) |
| Capacity in Stainless Steel | 18 Gauge (1.2 mm / 0.048 in.) |
| Capacity in Aluminum | 10 Gauge (2.5 mm / 0.098 in.) |
| Cutting Radius (Inner Edge) | 1.75 in. (44.45 mm / 1-3/4 in.) |
| Cutting Radius (Outer Edge) | 2.00 in. (50.8 mm / 2.0 in.) |
| Overall Tool Length | 10.25 in. (260.35 mm) |
| Tool Net Weight | 3.6 lbs (1.63 kg) |
| UPC Code | 088381-015448 |
Pro-Tip: Apply a drop of light machine oil directly onto the punch tip before making tight circular cuts in 18-gauge stainless steel to cool the cutting die and extend die edge life.
