Cordless Rotary Tools

Electric Grinder-H101

H101 Electric Engraving Pen – 30000RPM Cordless Precision Rotary Tool Kit

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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 H101 electric engraving pen is a high-speed cordless mini rotary tool designed for precision engraving, polishing, carving, and DIY applications. Powered by a 30000RPM coreless motor, it delivers stable performance, low vibration, and excellent control for both beginners and professionals. Its lightweight aluminum alloy body (only 59g) ensures comfortable long-time use, while the 5-speed adjustable system and digital display provide accurate operation for different materials.

Equipped with a 2.35mm metal chuck and 30PCS high-speed steel bits, this engraving pen supports multi-functional use including jewelry engraving, electronics repair, nail polishing, glass carving, and craft projects. The 600mAh lithium battery offers reliable runtime and supports Type-C fast charging with use-while-charging capability.

Ideal for Amazon sellers, distributors, and DIY tool brands, the H101 supports full OEM/ODM customization including logo, color, packaging, and accessories. Widely exported to USA, Europe, and Australia markets.

👉 Contact us now for samples, customization solutions, and factory direct pricing.

Electric Grinder-H101

Technical specifications

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

Model
H101 Electric Engraving Pen
Size
136 × 18 mm
Net Weight
59g
Package Weight
249g
Package Size
194 × 108 × 27 mm
Material
Aviation Aluminum Alloy
Motor Type
Coreless Motor
Rated Voltage
4V / 7.4V
Speed
30000 RPM
Torque
230 g.cm (Stall Torque)
Collet
2.35mm Metal Chuck
Battery Type
Polymer Lithium Battery
Battery Capacity
600mAh
Charging Port
Type-C
Charging Time
~60 Minutes
Charging Input
5V-1A
Speed Levels
5-Speed Adjustable
Display
Digital Screen

Applications & buyers

  • Amazon / Shopify private label sellers
  • Hardware distributors & tool wholesalers
  • DIY tool brands (OEM/ODM buyers)
  • Electronics repair kit suppliers
  • Nail beauty equipment importers
  • Not Recommended For:
  • Heavy industrial grinding applications
  • High torque drilling scenarios
  • The H101 engraving pen is widely used in:
  • Jewelry engraving & customization

Product highlights

  • Aviation Aluminum Alloy Body – lightweight, durable, premium finish
  • Coreless High-Speed Motor – ultra-low vibration, high efficiency
  • High-Speed Steel Bits (25–30 HRC) – wear-resistant and stable
  • 2.35mm Metal Chuck – universal compatibility with accessories
  • Optional customization:
  • Bit materials: 45# steel / tungsten steel / non-metal
  • Application types: polishing / cutting / drilling / rubber tools
  • Ultra-lightweight design (only 59g) for fatigue-free operation
  • Digital display screen for speed visibility
  • 5-speed adjustable system for different materials

Configuration & packaging

  • 1 × Electric engraving pen
  • 30 × High-speed steel grinding bits (2.35mm × 35mm)
  • 1 × Type-C charging cable
  • Customization Available:
  • Bit shape customization (any combination)
  • Material upgrade (tungsten / polishing / cutting tools)

OEM / ODM options

  • We support full customization:
  • Logo printing (laser / silk print)
  • Multi-color options (10+ colors available)
  • Custom packaging design
  • Accessory combination upgrade
  • Instruction manual branding
  • Amazon private label
  • Tool distributors
  • Promotional gift sets

Product FAQ

Q1: What is the maximum speed?+

Up to 30000 RPM, suitable for precision work.

Q2: Can it work while charging?+

Yes, supports use while charging.

Q3: Is this suitable for beginners?+

Yes, very user-friendly with speed control.

Q4: What materials can it process?+

Wood, metal, glass, plastic, jewelry, PCB.

Q5: What is the battery capacity?+

600mAh lithium battery.

Q6: Can I customize accessories?+

Yes, full customization supported.

Q7: What is the MOQ?+

500 PCS standard, 1000 PCS custom.

Q8: What markets do you export to?+

USA, Europe, UK, Australia, Canada.

MODEL REFERENCEElectric Grinder-H101

Cordless Rotary Tools · 9 product photographs

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