Cordless Rotary Tools

Electric Grinder-H102

Cordless Electric Engraving Pen H102 – 30000RPM Mini Rotary Tool Kit for Precision Carving & Polishing

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OEM / ODM:Logo, color, packaging and configuration options are available for qualified orders.

Product overview

Manufacturer product information

Logo, color, packaging and configuration options are available for qualified orders.

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.

Equipped with a 2.35mm metal chuck and 30PCS high-quality grinding bits, this engraving tool supports a wide range of applications. The Type-C rechargeable design allows fast charging in about 60 minutes and supports use while charging, improving efficiency for continuous work.

As a professional engraving pen manufacturer in China, we offer OEM & ODM services including custom logo, colors, packaging, and accessory combinations. With stable quality, fast delivery (10–15 days), and competitive factory pricing, H102 is a reliable choice for Amazon sellers, wholesalers, and global distributors.

Contact us now to get the latest quotation and free sample.

Electric Grinder-H102

Technical specifications

Product data from the supplied model document; current commercial terms are confirmed with each quotation.

Model
H102 Electric Engraving Pen
Size
136 × 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: 0–45°C / Discharge: -20–45°C

Applications & buyers

  • Hardware tool importers in USA, Germany, UK, France, Canada, Australia
  • Amazon / eCommerce sellers (DIY & precision tools category)
  • Electronics repair tool distributors
  • Jewelry engraving tool suppliers
  • OEM / ODM private label brands
  • electric engraving pen supplier USA
  • mini rotary tool manufacturer China
  • engraving pen wholesale Europe
  • portable engraving tool for Amazon sellers
  • The H102 engraving pen is widely used in:

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:
  • Long press: Power ON
  • Short press: Speed increase

Configuration & packaging

  • Standard Accessories
  • 30PCS grinding/engraving bits
  • Type-C charging cable
  • Full Customization Support
  • Bit shapes can be freely customized
  • Materials available:
  • High-speed steel
  • Tungsten carbide
  • 45# steel
  • Non-metal (polishing / cutting / drilling / rubber types)
  • This flexibility allows you to create custom product kits for different market segments.

OEM / ODM options

  • Standard Accessories
  • 30PCS grinding/engraving bits
  • Type-C charging cable
  • Full Customization Support
  • Bit shapes can be freely customized
  • Materials available:
  • High-speed steel
  • Tungsten carbide
  • 45# steel
  • Non-metal (polishing / cutting / drilling / rubber types)

Order reference

  • Standard MOQ: 500 PCS
  • OEM MOQ: 1000 PCS
  • Sample Time: 3–5 days
  • Delivery Time: 10–15 days (1000 PCS)
  • Flexible production scheduling
  • 80 PCS / carton
  • Carton size: 41 × 29.5 × 45.5 cm
  • Gross weight: 20.7 kg

Product FAQ

Q1: What is the maximum speed?+

30000 RPM high-speed performance.

Q2: Can it be used for metal engraving?+

Yes, suitable for light metal engraving and polishing.

Q3: Does it support charging while working?+

Yes, it supports use while charging.

Q4: What accessories are included?+

30PCS grinding and engraving bits.

Q5: What is the MOQ?+

500 PCS for standard models.

Q6: Can I customize the accessories?+

Yes, full customization supported.

Q7: What is the delivery time?+

10–15 days for bulk orders.

Q8: Is it suitable for beginners?+

Yes, easy to use with digital control.

MODEL REFERENCEElectric Grinder-H102

Cordless Rotary Tools · 7 product photographs

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