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rotary ยท Model H102

H102 Cordless Electric Engraving Pen

Cordless pen-style rotary tool for engraving, polishing, grinding and detail work.

The H102 cordless electric engraving pen is a high-speed mini rotary tool designed for precision engraving, polishing, grinding, and drilling. Powered by a stable coreless motor with up to 30000RPM, it delivers smooth, low-vibration performance for detailed work on jewelry, metal, wood, glass, plastic, and electronics repair.

This portable engraving pen features a 5-speed adjustable system with digital display, allowing precise control for different materials. The lightweight 59g aluminum alloy body ensures comfortable handling for long-time use, making it ideal for DIY users, professional technicians, and tool distributors.

Torque / mode
5 speeds
Speed
30000 RPM
Configuration
30 accessories
Material
Aluminum alloy
Best for
Engraving & polishing
Starting MOQ
500 pcs

Samples are typically available in 3โ€“5 days. Product-specific specifications and compliance documents can be confirmed before ordering.

Technical specifications

Model
H102 Electric Engraving Pen
Size
136 ร— 18 mm
Net Weight
59g
Rated Voltage
4V / 7.4V DC
Motor Type
Coreless Motor
Speed
Up to 30000 RPM
Torque
230 g.cm (stall torque)
Speed Levels
5 Adjustable Gears
Display
Digital Screen
Chuck Size
2.35mm Metal Chuck
Battery Type
Lithium Polymer
Battery Capacity
600mAh
Charging Interface
Type-C
Charging Time
~60 minutes
Charging Parameter
5V-1A
Working Temperature
Charging: 0โ€“45ยฐC / Discharge: -20โ€“45ยฐC

Product highlights

  • 30000RPM High-Speed Coreless Motor
  • Ultra-smooth and stable operation
  • High precision for fine engraving
  • Strong performance with low vibration
  • 5-Speed Digital Control System
  • Adjustable speed for different materials
  • LED digital display for precise control
  • Smart control system:

Applications

  • Jewelry engraving & polishing
  • DIY craft carving (wood, plastic, resin)
  • Electronics repair (PCB cleaning, phone repair)
  • Glass engraving & fine detailing
  • Metal polishing and deburring
  • Nail beauty shaping & polishing
  • Model making & hobby DIY
  • High-Intent Long-Tail Keywords

Supply and customization

Sample3โ€“5 daysStandard lead10โ€“15 daysCustom lead15โ€“25 daysMOQ route500 pcs / 1,000 pcs
  • Logo: laser engraving or silk-screen printing
  • Housing color and button finish
  • Retail box, tool case, manual and labels
  • Bit or accessory combination