Cat® DX312B 18V Brushless 4.5" Cordless Angle Grinder – 8,500 RPM, Tool-Free Guard, Pro-Grade Cutting & Grinding

The Cat® DX312B 18V 4.5" Brushless Cordless Angle Grinder is engineered for professional-grade cutting and grinding across metal, concrete, tile, and masonry applications. Powered by a high-efficiency brushless motor, it delivers 25% more power, 50% longer runtime, and 10X longer life than brushed grinders—while running cooler, quieter, and more efficiently.

With a no-load speed of 8,500 RPM, this cordless grinder cuts fast and smooth. Mesh filters help protect internal components from dust and debris, extending tool life, while Overload Protection safeguards against damage during heavy-duty use. Its ergonomic slim-body design, anti-vibration 3-position side handle, and textured overmold grip reduce fatigue for extended work sessions.

For maximum convenience, the tool-free guard adjustment allows quick changes to suit your task. As part of the Cat® 1 FOR ALL battery platform, it’s compatible with all Cat® 18V Li-Ion and Graphene batteries (sold separately), including 2.0Ah, 4.0Ah, and the performance-boosting 5.0Ah Graphene model. Includes a stackable Slide Lock case for dust-, water-, and impact-resistant storage and transport.

Key Features:

• Brushless Motor Technology – 25% more power, 50% longer runtime, 10X motor life

• 8,500 RPM Speed – High-performance cutting and grinding for multiple materials

• Mesh Filter System – Protects internal components from debris

• 3-Position Anti-Vibration Handle – Enhanced comfort and control during long use

• Tool-Free Guard Adjustment – Fast and easy repositioning

• Overload Protection – Prevents tool and battery damage under stress

• 1 FOR ALL Battery Platform – Compatible with all Cat® 18V batteries (sold separately)

• Durable Storage Case – Slide Lock design resists dust, water, and impact damage

Ideal For:
Metal fabrication, masonry cutting, tile shaping, concrete grinding, and jobsite versatility.