USB Rechargeable Rotary Tool 3 Speed Mini Grinder For DIY Carving

Tackle precision DIY tasks without tangled cords or manual fatigue using the USB Rechargeable Rotary Tool. This compact, handheld engraved pen functions as a cordless mini grinder and electric engraving tool, delivering steady power straight from its integrated 3.7 V battery. With three selectable speeds ranging from 8,500 to 21,000 RPM, you gain instant control whether you are carving fine wood details, polishing metals, sanding edges, or removing light rust. The compatible 0.5–3.2 mm collet system accepts standard rotary accessories, allowing you to switch between grinding bits, polishing pads, and micro drill heads without changing tools.

Benefits & Practical Tips

• Adjustable torque for delicate surfaces: Begin at lower speeds for soft materials like acrylic or thin plastics, then ramp up to maximum RPM for harder metals and dense woods to prevent tearing or burning.
• Cordless workspace freedom: Move beyond power outlet limits to tackle overhead projects, tight corners, or outdoor woodworking where a bulky bench grinder cannot reach.
• Quick accessory swaps: Rely on the standard collet grip to securely mount diamond burs, silicone sharpening cylinders, or fluted cutters for smooth, vibration-free operation.

Product Specifications

• Tool Category: USB-rechargeable mini rotary grinder & engraving pen
• Speed Range: 3 settings (8,500–21,000 RPM)
• Power Source: Built-in 3.7 V rechargeable battery (included)
• Charging Interface: USB‑C
• Collet Compatibility: 0.5–3.2 mm
• Primary Functions: Polishing, carving, cutting, surface grinding, derusting, micro-drilling
• Certification: CE
• Model: N86‑NEW (tungfull)
• Supported Languages: English, Portuguese, Korean

Package Includes

• Mini rechargeable rotary tool body
• Integrated 3.7 V battery module
• USB‑C charging cable
• 0.5–3.2 mm collet adapter set
• Operation handbook

Operational Reminders

• Clamp or clamp your workpiece securely before engaging the motor to prevent bit slippage.
• Apply light, even pressure and allow the spinning attachment to do the cutting; forceful pushing creates excess heat that can damage both the bit and the material.
• Allow the tool to cool briefly after extended continuous use to protect internal components and maintain consistent torque.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Craftsmanship that keeps up with your workflow — backed by decades of reliable service at intercyprus.com.