ZKJ221A Air Needle Scaler (Vacuum Type) – Medium Duty Pistol Grip handle
The ZKJ221A Air Needle Scaler is a medium-duty, vacuum-equipped surface preparation tool designed for efficient removal of rust, paint, weld slag, and scale while reducing airborne dust and debris. Its pistol grip handle provides ergonomic comfort and precise control, making it ideal for industrial maintenance, automotive repair, construction, and shipbuilding applications. With medium-duty air power and integrated vacuum dust extraction, the ZKJ221A ensures efficient surface cleaning, improved workplace safety, and a cleaner environment.
Key Features
Medium-Duty Air Power
Delivers consistent impact energy for controlled rust, paint, and scale removal.
Vacuum Dust Extraction
Reduces airborne particles to maintain a cleaner, safer workspace.
Ergonomic Pistol Grip Handle
Provides comfort and improved control during extended use.
Durable Construction
Built with high-quality materials for long-lasting industrial performance.
Versatile Surface Cleaning
Effective on flat, curved, and hard-to-reach surfaces.
Low Maintenance
Rugged design ensures reliable operation with minimal upkeep.
Benefits
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Cleaner Work Environment: Integrated vacuum reduces dust and debris for safer operation.
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Efficient Cleaning: Medium-duty performance quickly removes rust, paint, and weld slag.
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Operator Comfort: Pistol grip handle reduces fatigue during prolonged operation.
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Durable & Reliable: Built for industrial applications with consistent performance.
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Versatile Use: Suitable for various surfaces and materials.
Applications
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Industrial Maintenance: Medium-duty cleaning in factories, workshops, and plants.
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Construction: Rust, paint, and scale removal from steel beams, rebar, and concrete while reducing dust.
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Metal Fabrication: Cleaning welds, mill scale, and surface coatings efficiently.
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Automotive & Heavy Equipment: Rust and paint removal on machinery, frames, and body panels.
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Shipbuilding & Marine: Medium-duty cleaning on decks, hulls, and structural components while maintaining a cleaner work environment.
Why Choose the ZKJ221A Air Needle Scaler (Vacuum Type) – Medium Duty Pistol Grip Handle?
The ZKJ221A is perfect for professionals who need a medium-duty air needle scaler with efficient cleaning, dust control, and ergonomic handling. Its vacuum-equipped system enhances workplace safety and cleanliness, while the pistol grip handle ensures precise control and operator comfort. Ideal for industrial, automotive, construction, and marine applications, the ZKJ221A provides a versatile, durable, and cleaner solution for medium-duty surface preparation tasks.
Specification:
- Piston Diameter: 0.9(23) inch(mm)
- Piston Stroke: 1.3(33) inch(mm)
- Blows Per Min.: 3700 bpm
- Avg. Air Cons.: 3(85) cfm(l/min)
- Overall Length: 13(330) inch(mm)
- Net Weight: 6(2.7) lbs(kgs)
- Min. Hose Size: 3/8(10) inch(mm)
- Air Inlet Size: 1/4 inch-NPT/PT
| Model | Number of Needles pcs |
Piston Diameter inch(mm) |
Piston Stroke inch(mm) |
Needle Diameter Øinch(mm) |
Blows Per Min. bpm |
Avg. Air Cons. cfm(l/min) |
Overall Length inch(mm) |
Net Weight lbs(kgs) |
| ZKJ3221-19 | 19 | 1.2(29.5) | 0.86(22) | 5/32×7(4×180) | 2700 | 3(85) | 13.4(340) | 8.6(3.9) |
| ZKJ3221-28 | 28 | 1.2(29.5) | 0.86(22) | 1/8×7(3×180) | 2700 | 3(85) | 13.4(340) | 8.6(3.9) |
| ZKJ3222 | ─ | 1.2(29.5) | 0.86(22) | ─ | 2000 | 2(51) | 11.6(295) | 6(2.7) |
| ZKJ221-19 | 19 | 0.9(23) | 1.3(33) | 1/8×7(3×180) | 3700 | 3(85) | 13(330) | 6(2.7) |
| ZKJ221-29 | 29 | 0.9(23) | 1.3(33) | 5/64×7(2×180) | 3700 | 3(85) | 13(330) | 6(2.7) |
| ZKJ221A | ─ | 0.9(23) | 1.3(33) | ─ | 3700 | 3(85) | 13(330) | 6(2.7) |
| ZKJ222 | ─ | 0.9(23) | 1.3(33) | ─ | 2700 | 3(85) | 11.6(295) | 4.8(2.2) |
| ZKJ211-2B-19 | 19 | 0.9(23) | 1.3(33) | 1/8×7(3×180) | 3700 | 3(85) | 14.8(375) | 6.2(2.8) |
| ZKJ211-2B-29 | 29 | 0.9(23) | 1.3(33) | 5/64×7(2×180) | 3700 | 3(85) | 14.8(375) | 6.2(2.8) |
| ZKJ211A | ─ | 0.9(23) | 1.3(33) | ─ | 3700 | 3(85) | 14.8(375) | 6.2(2.8) |
| ZKJ799NS-12 | 12 | 0.7(18) | 1(26) | 1/8×7(3×180) | 4200 | 2(60) | 14.2(360) | 3.5(1.6) |
| ZKJ799NS-27 | 27 | 0.7(18) | 1(26) | 5/64×7(2×180) | 4200 | 2(60) | 14.2(360) | 3.5(1.6) |
- Min. Hose Size: 3/8(10) inch(mm)
- Air Inlet Size: 1/4 inch-NPT/PT



