MAKITA DGA452RTJ 18v 115mm Grinder with 2x5ah Batteries
MAKITA DGA452RTJ 18v 115mm Grinder with 2x5ah Batteries
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What’s Included
- DC18RC Compact Charger
- BL1850B 18v 5Ah Li-ion Batteries
- MAKPAC Type 2 Connector Case with Inner Tray
- Grinding Wheel
- Lock Nut
- Side Handle
- Number of Batteries Supplied: 2
- Voltage: 18v
- Size: 115mm
Product Overview
Part No: DGA452RTJ(MAKPDGA452RTJ)
Features & Benefits
- Lithium-ion batteries have greater life spans than their Ni-MH or Ni-Cad counterparts giving 430% greater run time.
- Lithium-ion's 40% weight saving means 18 volt power can be obtained by a battery that weighs the same as a 12 volt Ni-MH battery.
- 4 pole motor.
- Anti-restart function with warning lamp.
- Capable of using wheels or discs for mains grinders.
- Easy grip body.
- Electronic current limiter with warning lamp.
- High comfort grips.
Technical Specification
- Battery Type: Lithium-ion
- Voltage: 18v
- Battery Quantity (5 ah): 2
- Noise sound pressure: 73 dB(A)
- Noise K factor: 3 dB(A)
- Max Wheel Diameter: 115 mm
- No Load Speed: 10000 rpm
- Vibration K factor: 1.5 m/sec²
- Vibration: Artificial Wheel: 8.5 m/sec²
- Net weight: 2.3 kg
Our Expert Says…
The DGA452RTJ is a 115 mm diameter compact and lightweight cordless Makita Angle Grinder, powered by an 18v Li-ion battery. It has a 4 pole motor to deliver up to 10,000 rpm for faster grinding. The DGA452RTJ is equipped with a slide type switch with lock on function for continuous use and maximum operator convenience, an easy to grip body, spindle lock for quick and easy wheel changes, and a side handle which can be installed on either side of the Angle Grinder. The gear housing can be rotated to suit most cutting and grinding applications. The DGA452RTJ has spiral bevel gears for smoother rotations and features anti-restart function with warning lamp to minimise motor start-up when the battery is inserted with the switch locked on. It is supplied in a Makpac carry case which also contains two 5 ah batteries and a charger.FAQs
There’s plenty to think about when choosing an Angle Grinder. The first factor is the disc diameter; larger discs can make deeper cuts.
Then consider how much power you might need. Higher wattage tools provide more power and can therefore cut denser material. Then think about speed; some grinders operate at fixed speed and others have variable speed control. Being able to vary the working speed of your grinder enables you to carry out more delicate work.
Another factor is whether the tool is equipped with safety features, such as a Paddle Switch and Soft Start.
Brushed motors use carbon brushes to transfer power from the fixed part of the motor to the rotor. This creates a reliable and relatively inexpensive motor, but brushed motors do require regular maintenance, in order to either clean the brushes or replace them as they wear out. A brushless motor, by contrast, uses a magnet mounted on the rotor to generate the power and electrical switching to perform the function carried out by the brushes. The additional complexity of the motor’s working means that brushless motors are usually more expensive than brushed.
The work you’ll be doing with your grinder will influence which voltage you consider. If your grinder is going to be used for construction, you may want to think about choosing a Makita 40v or DeWalt 54v tool, but 18v variations are also available.
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