1. Product Positioning
The D-102 Cordless Electric Engraving Pen is a high-speed, portable mini rotary tool designed for precision engraving, polishing, carving, drilling, and DIY crafting. With a compact pen-style body and powerful 18000RPM motor, it is ideal for both professional users and hobbyists.
Primary Keywords:
- electric engraving pen
- mini rotary tool kit
- cordless engraving tool
- electric grinding pen
- portable engraving machine
Long-tail Keywords:
- engraving pen for metal and glass
- cordless mini rotary tool with USB charging
- engraving tool kit for jewelry DIY
- electric engraving pen supplier OEM
2. Target Buyers & Market Fit
✔ Ideal Buyers:
- Amazon / eCommerce sellers (DIY tools category)
- Hardware wholesalers & distributors
- Jewelry manufacturers & repair shops
- Craft tool brands (OEM/ODM)
- Promotional gift suppliers (custom engraving solutions)
✘ Not Suitable For:
- Heavy industrial grinding applications
- Continuous high-load machining environments
3. Application Scenarios
The D-102 engraving pen is widely used across multiple industries:
- Jewelry engraving & customization
- Glass etching and marking
- Metal surface engraving
- Wood carving and DIY art
- Plastic trimming and polishing
- Electronic repair fine polishing
- Personalized gifts engraving
💡 Typical use case:
Engrave logos on metal plates, personalize jewelry, or create artistic designs on glass surfaces.
4. Technical Specifications
| Item | Specification |
|---|---|
| Model | D-102 |
| Product Size | 119 × 16 mm |
| Net Weight | 40 g |
| Package Weight | 200 g |
| Packaging Size | 200 × 133 × 33 mm |
| Rated Voltage | 3.7V / 4V (DC) |
| No-load Speed | 18000 RPM |
| Max Torque | 55 g·cm |
| Battery Type | Polymer Lithium Battery |
| Battery Capacity | 300 mAh |
| Charging Port | Type-C |
| Charging Input | 5V-1A |
| Charging Time | ~30 minutes |
| Working Mode | Can be used while charging |
| Speed Levels | 3-speed adjustable |
| Motor Type | Carbon brush motor |
| Collet Size | 2.35 mm metal chuck |
| Operating Temperature | Charging: 0–45°C / Discharge: -20–45°C |
5. Materials & Build Quality
The D-102 is engineered with premium materials for durability and precision:
- Handle Material: Aluminum Alloy
→ Lightweight, durable, anti-slip, corrosion-resistant - Outer Shell: ABS
→ Impact-resistant and lightweight - Grinding Bits: High-Speed Steel (25–30 HRC)
→ Stable performance for engraving and polishing
6. Workmanship & Design Advantages
🔹 Ultra-Lightweight & Portable
- Only 40g, pen-style design
- Easy one-hand operation
- Perfect for precision work
🔹 LED Smart Indicator System
- Displays speed levels clearly
- Enhances user control and accuracy
🔹 One-Button Smart Control
- Long press: power ON/OFF
- Short press: speed adjustment (3 levels)
🔹 High-Speed Performance (18000RPM)
- Suitable for multi-material engraving
- Stable output with low vibration
7. Accessories & Package Contents
- Electric Engraving Pen × 1
- USB Type-C Charging Cable × 1
- 2.35 × 45mm Grinding Bits × 30 PCS
💡 Grinding heads can be customized:
- Shapes: fully customizable combinations
- Materials:
- High-speed steel
- Tungsten steel
- Carbon steel (45#)
- Non-metal (polishing, rubber, cutting)
8. Color Options (Customization Ready)
Available colors:
- Grey / Silver / Black / Blue / Pink
- Red / Purple / Gold / Orange / Green
- Custom colors supported (OEM)
9. Quality Control & Manufacturing Strength
We follow strict production and QC standards:
- 100% functional testing before shipment
- Battery safety inspection
- Motor durability testing
- Drop & packaging testing
Aligned with international manufacturing practices as outlined in structured quality systems
10. Production Capacity & Logistics
| Order Quantity | Lead Time |
|---|---|
| Sample | 3–5 days |
| 500 pcs | 7–10 days |
| 1000 pcs | 10–15 days |
| Bulk Orders | Flexible & negotiable |
Packaging Details:
- Carton Quantity: 80 pcs
- Gross Weight: 17 kg
- Carton Size: 54.5 × 41.5 × 43.5 cm
11. OEM / ODM Customization Services
We offer full customization solutions:
✔ Branding:
- Logo printing (laser / silk screen)
- Custom packaging design
- Private label support
✔ Product Customization:
- Color customization
- Speed tuning
- Battery upgrade
✔ Accessories Customization:
- Grinding bit materials and shapes
- Kit combinations
MOQ:
- Standard: 500 PCS
- Custom: 1000 PCS
12. Cost & Buyer Decision Guide
💰 Cost Influencing Factors:
- Motor performance
- Battery capacity
- Material quality
- Accessories quantity
⚠ Common Buyer Concerns:
| Concern | Our Solution |
|---|---|
| Low durability | Aluminum alloy body |
| Weak power | 18000RPM high-speed motor |
| Short battery life | Optimized lithium battery |
| Limited customization | Full OEM/ODM support |
13. Why Choose This Electric Engraving Pen?
- Ultra-light (40g) for precision work
- High-speed 18000RPM performance
- Fast Type-C charging (30min)
- 3-speed adjustable control
- Multi-material compatibility
- Strong OEM customization capability
14. Call to Action
👉 Looking for a reliable electric engraving pen manufacturer?
- Request FREE samples
- Get OEM quotation within 24 hours
- Access factory-direct pricing
- Fast global delivery
📩 Contact us now to start your custom project.
15. FAQ
1. What materials can this engraving pen work on?
Metal, glass, wood, plastic, ceramic, and jewelry.
2. Can I customize grinding bits?
Yes, both shape and material can be customized.
3. Is it suitable for beginners?
Yes, the 3-speed control makes it user-friendly.
4. How long does the battery last?
Approximately 60–90 minutes depending on usage.
5. Can it work while charging?
Yes, it supports charging while working.
6. What is the MOQ?
500 pcs for standard, 1000 pcs for customization.
7. Do you support private label?
Yes, full OEM/ODM service is available.
8. What is the motor type?
High-efficiency carbon brush motor.
9. What is the lead time?
10–15 days for 1000 pcs.
10. Is it suitable for Amazon selling?
Yes, highly competitive for eCommerce markets.
