1-11/16" 3.5 Amp Corded GP 400 Die Grinder Metabo HPT 646053420

The Metabo HPT Corded GP 400 Paddle Switch Die Grinder (646053420) is a compact, high-speed professional die grinder engineered for precision grinding, deburring, milling, cutting, and surface finishing in confined and hard-to-reach spaces. Designed for fabricators, welders, automotive technicians, machinists, and maintenance professionals, this versatile tool combines a slim body with a long spindle to provide excellent accessibility and control. Powered by a 400W motor, the GP 400 delivers an impressive 30,000 RPM no-load speed, making it ideal for fast material removal, detailed finishing, and precision work on steel, aluminum, cast iron, and other metals.

Built for demanding professional applications, the GP 400 features an ergonomic paddle switch with a dead-man function that automatically cuts power when released, providing enhanced operator safety during operation. Its lightweight design, weighing just 3.3 lbs, minimizes fatigue during prolonged use while maintaining excellent balance and maneuverability. The 1/4" collet accepts a wide variety of grinding stones, carbide burrs, and rotary accessories, making the tool suitable for numerous fabrication and maintenance tasks. Supplied with two open-jawed spanners, a 1/4" collet, and a protective rubber cap, the GP 400 is ready for professional use right out of the box.

Key Features

• Powerful 400W motor delivers reliable performance for professional grinding and finishing.
• High-speed 30,000 RPM no-load speed enables fast and precise material removal.
• Extended grinding spindle provides excellent access to confined and hard-to-reach areas.
• Paddle switch with dead-man function automatically cuts power when released for enhanced operator safety.
• Precision collar allows accurate stationary use.
• Removable protective rubber nose cap provides added comfort and protection.
• Slim, ergonomic housing offers excellent handling and control.
• Lightweight 3.3 lbs design reduces operator fatigue during extended use.
• 1/4" collet accommodates a wide range of professional grinding accessories.
• Ideal for deburring, milling, grinding, cutting, and surface finishing.
• Backed by a 3-year manufacturer warranty.

Specifications

• Model: GP 400 (646053420)
• Tool Type: Corded Paddle Switch Die Grinder
• Rated Input Power: 400 W
• Output Power: 250 W
• No-Load Speed: 30,000 RPM
• Speed at Rated Load: 12,400 RPM
• Collar Diameter: 43 mm (1-11/16")
• Collet Size: 6.35 mm (1/4")
• Weight (Without Power Cable): 1.5 kg (3.3 lbs)
• Cable Length: 2.55 m (8 ft)

Included Accessories

• 1/4" Collet
• Two Open-Jawed Spanners
• Protective Rubber Cap

Applications

• Precision Grinding
• Deburring
• Milling
• Metal Cutting
• Weld Cleanup
• Surface Finishing
• Automotive Repair
• Metal Fabrication and Industrial Maintenance

• Order Processing: Orders are typically processed within 1–3 business days after confirmation.
• Delivery Time: Once dispatched, delivery usually takes 3–10 business days depending on your location.
• Tracking: You will receive a tracking number by email/SMS once your order ships.
• Shipping Charges: Shipping fees (if any) are shown at checkout. Free shipping may apply for selected products or order values.
• Incorrect/Undelivered Address: Please check your address carefully. Additional fees may apply if re-delivery is needed due to customer errors.

• Return Window: Returns are accepted within 7–14 days from the date of delivery.
• Eligibility: Items must be unused, in original condition, with original packaging and proof of purchase.
  
• Return Process: Contact customer support with your order details to initiate a return.
  
• Refunds: Refunds are processed after the returned item is received and inspected.
  
• Return Shipping Cost: Unless the item is defective or incorrect, return shipping is usually paid by the customer.