Makita GA034GZ 40Vmax 150mm Cordless Disc Grinder | Brushless | Paddle Switch | Brake | AFT | Tool Only

Overview

The Makita GA034GZ is a high-output 40Vmax-series 150 mm disc grinder that achieves cutting and grinding speeds surpassing AC (100V corded) tools. With a safer "paddle switch" (stops when released) and a brake, it enables confident, comfortable work even at high-load professional job sites.

The "Z" suffix at the end of the model number means tool body only (battery, charger, and case sold separately).

Specifications

1. Basic Specs

• Voltage: DC 36V (40Vmax)
• Grinding Wheel — Outer Diameter: 150 mm
• Grinding Wheel — Thickness: 6 mm (compatible wheel thicknesses: 3–6 mm)
• Grinding Wheel — Inner Diameter: 22 mm
• No-Load Speed: 8,500 min⁻¹

2. Safety / Features

• Switch Type: Paddle switch (with off-lock)
• Safety Features:
  • Electric brake (rapid stop when the switch is released)
  • Restart-prevention function (prevents unexpected start-up when the battery is inserted)
  • Kickback reaction reduction (AFT: automatically stops the tool when rotation drops suddenly)
• Dust/Water Resistance: APT (Anti-dust and water-Protection Technology, for harsh environments)
• Other Features:
  • Tool-less wheel guard (angle adjustment and removal via lever)
  • Soft start (reduces start-up reaction)

3. Dimensions / Weight / Accessories

• Tool Dimensions: Length 410 mm × Width 165 mm × Height 156 mm
• Weight (including battery): 3.3 kg (with BL4025 installed)
• Standard Accessories:
  • Grinding wheel 36P (150 mm)
  • Lock-nut wrench 35
  • Side grip

Work per Charge (guideline, with BL4040 4.0Ah battery)

• Concrete cutting (cut depth 20 mm): approx. 11.3 m

⚠️ Please Note

This model (suffix "Z") is the tool body only. Battery, charger, and case are NOT included. Please use a compatible Makita 40Vmax lithium-ion battery and charger.