ZKJ3221-28 Air Needle Scalers – Medium Duty Pistol Grip handle
The ZKJ3221-28 Air Needle Scaler is a medium-duty, high-performance tool designed for efficient removal of rust, paint, weld slag, and scale. Featuring a pistol grip handle, it provides ergonomic comfort and precise control, making it ideal for industrial maintenance, automotive repair, construction, and shipbuilding applications. Equipped with 28 high-strength steel needles, the ZKJ3221-28 delivers balanced cleaning power, perfect for medium-duty surface preparation tasks requiring both efficiency and accuracy.
Key Features
Medium-Duty Air Power
Provides consistent impact for controlled rust, paint, and scale removal.
28 High-Strength Needles
Ensures efficient and balanced cleaning for medium-duty applications.
Ergonomic Pistol Grip Handle
Reduces operator fatigue and enhances handling during extended operation.
Durable Construction
High-quality materials ensure long-lasting performance in industrial environments.
Versatile Surface Cleaning
Effective on flat, curved, and hard-to-reach surfaces.
Air-Powered Operation
Delivers continuous, reliable performance without overheating.
Benefits
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Efficient Medium-Duty Cleaning: 28 needles deliver controlled and effective cleaning power.
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Operator Comfort: Pistol grip design minimizes fatigue during prolonged use.
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Durable & Reliable: Robust construction ensures consistent performance.
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Versatile Use: Suitable for various surfaces and materials.
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Low Maintenance: Rugged design reduces downtime and upkeep.
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.
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Metal Fabrication: Surface preparation for welds and coating removal.
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Automotive & Heavy Equipment: Rust and paint removal on machinery, frames, and panels.
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Shipbuilding & Marine: Medium-duty cleaning on decks, hulls, and structural components.
Why Choose the ZKJ3221-28 Air Needle Scaler – Medium Duty Pistol Grip Handle?
The ZKJ3221-28 is designed for professionals who need a medium-duty needle scaler with balanced cleaning power, ergonomic handling, and reliable performance. Its 28-needle configuration delivers efficient surface prep, while the pistol grip handle ensures comfort and precise control during extended use. Perfect for industrial, automotive, construction, and marine applications, the ZKJ3221-28 provides a versatile and dependable solution for medium-duty scaling and cleaning tasks.
Features & Benefits
- Texturing concrete
- Cleaning & stress-relieving weld seams and joints
- Removing coatings, corrosion & other accumulated materials
- Chisel scalers for splitting, chipping, pointing, and brick raking
- Convert to chisels in seconds
- Dust shroud attachments available
- Adjustable front tube extends needle life
- Heat-treated piston and cylinder ensure excellent durability and long life
Specification:
- Number of Needles: 28 pcs
- Piston Diameter: 1.2(29.5) inch(mm)
- Piston Stroke: 0.86(22) inch(mm)
- Needle Diameter: 1/8×7(3×180) Øinch(mm)
- Blows Per Min.: 2700 bpm
- Avg. Air Cons.: 3(85) cfm(l/min)
- Overall Length: 13.4(340) inch(mm)
- Net Weight: 8.6(3.9) lbs(kgs)
- Min. Hose Size: 3/8(10) inch(mm)
- Air Inlet Size: 1/4 inch-NPT/PT
| Model | Numbers 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
