RH-3170B1 High Speed Lightweight Mini Micro Pneumatic Air Grinder Pen
Model: RH-3170B 微型气动风磨雕刻抛光笔带软管
The RH-3170B1 High Speed Lightweight Mini Micro Pneumatic Air Grinder Pen (Model RH-3170B) is a three-bearing air engraving pen built for sustained industrial marking. The extra bearing supports the spindle under heavier feed, so it stays accurate on production lines and hard alloys where a two-bearing pen would wear faster. Use it for serial numbers, logos and part identification on steel, aluminum and castings. JIAJIE three-bearing pens pair a durable air motor with a comfortable grip and accept standard engraving bits. OEM labeling, spare collets and bulk pricing are offered for high-volume users.
Specifications
| Product Name | RH-3170B1 High Speed Lightweight Mini Micro Pneumatic Air Grinder Pen |
|---|---|
| Model Number | RH-3170B |
| Category | Three-Bearing Air Engraving Pen |
| Power Source | Compressed Air (Pneumatic) |
| OEM / ODM | Available |
| MOQ | Contact us for details |
| Brand | JIAJIE Pneumatic |
| Manufacturer | Ningbo Haishu Gaoqiao Jiajie Pneumatic Tools Factory |
| Air Inlet | 1/4" BSP (standard) |
| Operating Pressure | 6.3 bar / 90 psi |
| Air Hose ID | 6–8 mm (1/4–5/16 in) |
| Free Speed | 54,000rpm |
| Collet Size | 1/8" or 3mm |
| Vent-pipe | 3/8" |
| Air Inlet Size | 1/4" |
| Air Consumption | 2cfm 57l/m |
| Working Pressure | 90psi |
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