Makita GA7090 Angle Grinder

• Brand Name: Makita
• Type of Product: Heavy-Duty Angle Grinder
• Continuous Rating Input: 2,200W
• Wheel Diameter: 180 mm (7″)
• Hole Diameter: 22.23 mm (7/8″)
• Thread: M14x2.0
• Max Abrasive Wheel Thickness: 7.2 mm (9/32″)
• No Load Speed: 8,500 minˉ¹
• Color: Typically Blue (Makita Standard)

Technical Specifications:

• Dimensions (L x W x H): 438 x 200 x 144 mm (17-1/4″ x 7-7/8″ x 5-5/8″)
• Net Weight: 5.1 – 7.3 kg (11.2 – 16.1 lbs.)
• Power Supply Cord: 2.0 m (6.6 ft)

Compatible Accessories:

• Brush Diameter Capacity: 150 mm (6″)
• Cup Brush Diameter Capacity: 100 mm (4″)
• Disc Paper Diameter: 180 mm (7″)
• Rubber Pad Diameter: 170 mm (7″)
• Abrasive Grinding Wheel Diameter: 180 mm (7″)
• Abrasive Cut-off Wheel Diameter: 180 mm (7″)
• Diamond Wheel Diameter: 180 mm (7″) (Not usable with cup diamond wheel)

Vibration Levels:

• Surface Grinding (Normal Side Grip): 6.9 m/s²
• Surface Grinding (Anti-Vibration Side Grip): 7.3 m/s²
• Disc Sanding (Normal Side Grip): 2.9 m/s²
• Disc Sanding (Anti-Vibration Side Grip): 3.5 m/s²
• Vibration K Factor: 1.5 m/s²

Noise Levels:

• Sound Pressure Level: 92 dB(A)
• Sound Power Level: 100 dB(A)
• Noise K Factor: 3 dB(A)

Features:

• Durable and Lightweight Design: This angle grinder is engineered to provide similar durability as the GA7020 model while being more cost-competitive, lightweight, and compact.
• Improved Cooling Capacity: The cooling capacity is enhanced by increasing the fan diameter from 80 mm to 86 mm and adding a diffuser to the gear housing, which helps maintain the rated input power.
• N94 Motor: This model features an N94 motor, contributing to weight reduction in the gear housing while maintaining high performance.
• Ergonomic Side Grip Positioning: The side grip is positioned closer to the center of the wheel rotation, reducing the load on the user's hand and enhancing maneuverability.
• Reduced Core Abrasion: The stator core abrasion is minimized by applying a water absorption process to the nylon motor housing, reducing dimensional changes in humid conditions.
• Leakage Resistance: The switch cover and sponge additions improve resistance to leakage current between the switch terminals.
• Serial Number Label Protection: The serial number label is strategically placed under the wheel cover for protection.
• Three-Position Adjustable Side Grip: Allows for better operator convenience and control during operation.
• Large Trigger Switch: Designed with a lever for lock-off and lock-on functionality, providing easier control and safer operation.
• Push Button Spindle Lock: Simplifies the process of changing wheels, making it more convenient for the operator.
• Wheel Cover Protection: Protects the operator from accidental scattering of broken wheels or workpieces, with minimal movement of the wheel cover.
• Double Insulation: Enhances operator safety by providing an additional layer of insulation to protect against electrical shock.

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