Key Features
- Compact and lightweight design for easy handling in confined spaces
- Effective on uneven surfaces – needles conform to contours
- High impact rate: 4000 blows per minute for fast material removal
- Interchangeable needle sets (12 pcs ∅3×180mm or 29 pcs 2mm)
- All spare parts available individually for easy servicing
Technical Specifications
| Specification | Value |
|---|---|
| Overall Length | 350 mm |
| Weight | 2.3 kg |
| Operating Air Pressure | 6 kg/cm² (85 psi) |
| Air Consumption | 0.2 m³/min (7 CFM) |
| Blows per Minute | 4000 BPM |
| Needle Specifications | ∅3×180mm (12 pcs) or 2mm (29 pcs) |
Frequently Asked Questions
What air pressure is required for this needle scaler?
The tool operates at 6 kg/cm² (approximately 85 psi). Ensure your air compressor can deliver this pressure and sufficient flow (0.2 m³/min or 7 CFM).
Can I use different needle sizes?
Yes, the JT-20 can be fitted with either 12 needles of ∅3×180mm or 29 needles of 2mm diameter. To change needle size, you must also replace the needle supporter (part no. TP00337).
Is this tool suitable for curved or uneven surfaces?
Absolutely. The individual needles move independently, allowing the tool to conform to irregular shapes and effectively clean rust and paint from contours, corners, and weld seams.
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