HOTO SNAPBLOQ R-A04 Electric Mini Rotary Tool Kit (38-Piece)

The HOTO SNAPBLOQ R-A04 is an ultra-compact, cordless electric mini rotary tool engineered for precision crafting, DIY repairs, 3D print finishing, jewellery work, and fine detailing tasks.

Powered by a high-efficiency brushless motor with stepless speed adjustment from 15,000 to 22,000 RPM, it delivers consistent torque and whisper-quiet operation across grinding, sanding, carving, polishing, and engraving applications.

At just 97g and with an anodised aluminium body, anti-slip textured grip, and a slim pen-style form factor, it handles with the precision of a writing instrument rather than a power tool.

The built-in 800mAh lithium-ion battery charges fully in approximately 60 minutes via USB-C, and the tool supports both cordless and corded operation so you can keep working while charging.

Intelligent temperature control and overload protection are built in to prevent damage during extended use.

The R-A04 comes with a 38-piece versatile accessory kit covering every major rotary task, all organised in the innovative SNAPBLOQ modular aluminium case.

The SNAPBLOQ system uses magnetic slots and quick-snap connectors so the case functions as a workstation organiser, desktop display, or portable carry kit, and is fully expandable with additional SNAPBLOQ modules.

Features:

• High-Efficiency Brushless Motor: The brushless motor delivers 20% greater efficiency than brushed equivalents, with instant 10ms start response, lower operating noise, and significantly extended motor lifespan for long-term precision work.
• 15,000 to 22,000 RPM Stepless Speed Adjustment: A smooth rotary control allows you to fine-tune the exact RPM needed for the task at hand, from delicate surface polishing at lower speeds to rapid material removal at full power.
• 38-Piece Versatile Accessory Kit: A comprehensive set of rotary accessories covers grinding, carving, sanding, polishing, engraving, and drilling tasks. All accessories are stored and organised within the included SNAPBLOQ case.
• SNAPBLOQ Modular Storage System: The innovative SNAPBLOQ frame uses magnetic slots and quick-snap connectors to hold the tool and all accessories securely.
• Cordless and Corded Operation: The tool runs wirelessly on its built-in battery for full portability, and can also be used while connected to a USB-C power source for uninterrupted extended work sessions.

What Makes It Smart:

• 800mAh Battery with 60-Minute Fast Charge: The built-in lithium-ion battery provides up to 30 minutes of cordless operation and charges fully in approximately 60 minutes via USB-C from any standard power source.
• Intelligent Temperature Control: A built-in HOTO smart chip monitors motor temperature and automatically applies safety pauses during intensive use to protect both the tool and the workpiece from overheating.
• Overload Protection: The smart chip prevents overloading, protecting delicate components and ensuring consistent performance across demanding materials.
• Ultra-Lightweight Precision Design: At just 97g and with a slim 7.2-inch pen-style body, the R-A04 reduces hand fatigue during detailed work and enables fine motor control on intricate tasks such as jewellery, miniatures, and electronics repair.
• Ergonomic Anti-Slip Grip: The anodised aluminium body features a specialised anti-slip texture for secure, comfortable handling throughout extended use sessions.
• Planetary Gear System: A precision planetary reduction gearbox ensures smooth, stable power transmission from motor to bit, reducing vibration and improving accuracy at all speed settings.

Specifications:

• Model: SNAPBLOQ R-A04
• Voltage: 3.7V
• Motor: Brushless with planetary gear system
• Speed Range: 15,000 to 22,000 RPM (stepless)
• Battery Capacity: 800mAh lithium-ion
• Charging Port: USB-C
• Charging Time: Approx. 60 minutes (0 to 100%)
• Runtime: Up to 30 minutes (cordless)
• Operation Modes: Cordless and corded (simultaneous charging and use)
• Protection: Intelligent temperature control, overload protection
• Body Material: Anodised aluminium
• Weight: 97g (0.21 lb)
• Dimensions: 183 × 20 × 25mm (7.2" × 0.79" × 0.98")
• Accessories Included: 38 pieces

What's in the box
1 x HOTO SNAPBLOQ R-A04 Mini Rotary Tool
1 x SNAPBLOQ Aluminium Alloy Case (modular)
38 x Rotary Tool Accessories (grinding, carving, sanding, polishing, drilling)
1 x USB-C Charging Cable
1 x Instruction Manual