KATSU Tools Professional Brushless Corded Electric Die Grinder 1300W Max, Slim Lightweight Body, 33,000 RPM High-Speed Straight Grinder with 6mm & 6.5mm Collets (SKU: 101740) Product Overview The KATSU Tools Professional Brushless Corded Electric Die Grinder (SKU: 101740) is an ultra-compact, high-performance straight grinder engineered for heavy-duty metalworking, woodworking, weld seam grinding, deburring, and precision polishing. Driven by an advanced 1300W Max output (850W rated) brushless motor, it delivers an outstanding power-to-weight ratio in a lightweight 1.3 kg slim frame. The maintenance-free brushless motor operates at a high-speed 33,000 RPM, eliminating carbon brush wear and extending motor lifespan significantly. Designed with a narrow, ergonomic grip body for precise single-handed control in hard-to-reach areas, this versatile die grinder comes equipped with both 6mm and 6.5mm locking nut collet chucks, making it an indispensable tool for professional workshops, job sites, and DIY crafting projects. Features Maintenance-Free Brushless Motor Technology: High-efficiency brushless motor delivers up to 1300W maximum power (850W rated input), eliminating carbon brush wear, lowering operating heat, and ensuring a longer, cost-effective service life. Exceptional Power-to-Weight Ratio (1.3 kg): Weighing only 1.3 kg while producing up to 1300W peak output, it offers superior power density and handling agility for extended grinding sessions without fatigue. Ultra-Slim & Balanced Ergonomic Housing: Narrow grip dimensions and balanced weight distribution allow comfortable single-handed operation and maximum control when working inside tight enclosures or awkward angles. 33,000 RPM High-Speed Precision Performance: High-speed rotation ensures clean, chatter-free grinding, deburring, and polishing when paired with carbide rotary burrs, mounted points, or sanding drums. Dual Locking Nut Collets Included (6mm & 6.5mm): Comes equipped with heavy-duty 6mm and 6.5mm locking nut collet chucks straight out of the box, offering broad shank accessory versatility. Versatile Multi-Industry Application: Perfect for metal fabrication, weld seam blending, die-casting deburring, wood carving, jewelry cleaning, automotive restoration, and general DIY crafts. Technical Specifications Specification Parameter Performance Value SKU 101740 Tool Type Corded Electric Brushless Die Grinder Motor Type Advanced Brushless Motor Rated Input Power 850 W Max Power Output 1300 W Operating Voltage / Frequency 230 V AC, 50 Hz No-Load Speed 33,000 RPM Collet Chuck Sizes Included 6 mm & 6.5 mm Locking Nut Collets Tool Net Weight Approx. 1.3 kg Housing Style Ultra-Slim Ergonomic Straight Body Included Accessories 1x 6mm Collet, 1x 6.5mm Collet, Wrench Set Ideal Applications Metalworking & Welding Fabrication: Blending weld seams, deburring sharp edges, porting cylinder heads, and grinding inside pipes or castings. Woodworking & Wood Carving: High-speed shaping, detail carving, slotting, and surface preparation using rotary carbide burrs. Detail Polishing & Jewelry Care: Fine grinding, rust removal, and precision polishing in narrow or hard-to-reach spaces across metal, plastic, and stone workpieces. Operating & Care Guidelines Collet & Accessory Installation: Select either the 6mm or 6.5mm collet, insert your rotary accessory shank fully into the chuck, and tighten the locking nut securely using the supplied wrenches. Safe Handling: Maintain a firm grip on the slim housing before switching the tool on, allowing the brushless motor to reach full 33,000 RPM speed before making contact with the workpiece. Tool Maintenance: Keep the motor cooling vents clean and free of metal dust and sawdust to ensure optimal thermal efficiency and motor longevity.