Drilling And Cutting, Japan, Nitto Kohki
Nitto Kohki ARA-100A Portable Magnetic Base Drilling Machine
Product Made in Japan
Manufacturer: Nitto Kohki
Model: ARA-100A
The versatile drilling machine with top-class power
Accepts various cutters for diverse drilling
Advanced electronic control for efficient drilling and operator safety
Portable Magnetic Base Drilling Machine ATRA ACE manual feed
Model ARA-100A
Max. 100 mm dia. x 75 mm deep
Specifications
| Model | ARA-100A | |||
| Power Source (Single Phase) | 220-240 VAC. 50/60 Hz | |||
| Electric Drill | Rated Power Consumption W | 1800 | ||
| Rated Current A | 8.2 | |||
| No-load Speed min ‘(rpm) | 110-210/330-660 | |||
| Morse Taper No. | MT3 | |||
| Rated Duty min | 30 | |||
| Magnet Power Consumption W | 80 | |||
| Hole Capacity mm | Cutter | Hole Diameter | Plate Thickness | |
| One-touch Type JETBROACH 35L | 17.5 to 40 | 13 to 35 | ||
| One-touch Type JETBROACH 50L | 17.5 to 50 | 13 to 50 | ||
| One-touch Type JETBROACH 75L | 17.5 to 50 | 13 to 75 | ||
| JETBROACH 75L | 50 to 100 | 13 to 75 | ||
| One-touch Type HI-BROACH 25L | 17.5 to 35 | 13 to 25 | ||
| One-touch Type HI-BROACH 50L | 18 to 35 | 13 to 50 | ||
| Twist Drill | Max. 32 mm d a. | |||
| Magnet Holding Power N(kgf) | 17000(1733) | |||
| Magnet Dimens | ons mm | 110×220 | ||
| Cutter Position | Straight Front to Back mm | 20 | ||
| Adjustment | Swivel angle | 30′ | ||
| Power Cord Length m | 5 | |||
| Mass (Weight) kg | 30 | |||
Accessories Included
Pilot Pin 12075
Side Handle
2.5 mm Hex. Socket Screw Key
5 mm Hex. Socket Screw Key
6 mm Hex. Socket Screw Key
8 mm Hex. Socket Screw Key
7 x 8 mm Spanner
Safety Chain
Guard
Oil Tank
Oil Tank Bracket
3 pieces of Rod Handle
Optional Accessories
| Ref. No. | PN | Description | Sales Unit |
| 1 | TB01507 | Cutting 0.12L | 1 piece |
| 2 | TBO4374 | Supporting Magnet Assy | |
| 3 | TBO9727 | Holder MT03075 One-touch |
Slow Starting Function
Slow speed at the beginning of boring will securely set a hole cutting position.
Two speed electric drill with speed adjustment
Optimum drill speed adjustment can be made to bore a hole on difficult-to-cut materials or to securely set a hole cutting position at the initial cutting stage.
Load Indication and LED Condition
Load Indication
The load indicator (LED) indicates the condition of the load with different colors of LED light.
The LED lights up in green. → The load on the drill motor is normal.
The LED lights up in red. → The load on the drill motor is close to overload.
The LED blinks in red. →The drill motor is overloaded.
Automatic Stop Function
As the drilling load increases, the load indicator will change in color from green to red. In addition, if excessive feeding force is applied, the load indicator will rapidly blink red and the rotation of the drill motor will slow down and stop. After the drill motor has come to a complete stop, the load indicator will slowly blink in green. To resume the rotation of the drill motor, release the load and turn off the switch of the drill motor, and then turn it on.
Automatic Restart Function
If the load is released while the load indicator is blinking red, the drill motor will resume its rotation.
Built-in Motion Sensor
If any lateral movement or excess vibration is detected during drilling a hole, the drill motor stops instantly and the LED blinks red. To resume operation, turn the magnet switch off and on.
Fail-safe Restart
The magnetic field will become active, but the drill will not re-start even if power is re-supplied after accidental shutdown. The LED will blink green at this stage. Drilling can only be continued after turning on the drill switch.
Magnet Open-circuit Sensor
The drill will not start until the magnetic field is active. If a malfunction occurs on the magnet, the LED will blink red slowly and the drill motor will not revolve.
Features
Reversible Feed Handles
Feed handles can be positioned on the right or left hand side for ease of drilling.
When changing the feed handle position, the oil tank is required to be positioned opposite to the feed handles.
Drilling Position Adjustment
 | Mounting the cutter |
 | Removing the cutter Turn the sleeve counterclockwise. The cutter will come off. |
Available in the market
Twist Drill Bit
 |  |  |
| MT3 Morse taper shank drill bit can be directly installed. | Use Morse taper sleeve MT3 for other sizes than MT3. | A drill chuck is required to install a straight drill bit. |
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