ZKJ799NS-27 Air Needle Scaler – Medium Duty Pistol Grip handle
The ZKJ799NS-27 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 excellent ergonomics and operator control, making it ideal for extended use in industrial, automotive, construction, and shipbuilding applications. Equipped with 27 durable steel needles, the ZKJ799NS-27 delivers balanced cleaning power, making it perfect for medium-duty surface preparation without over-aggressiveness, ensuring both efficiency and precision.
Key Features
Medium-Duty Air Power
Provides consistent, reliable impact energy for controlled rust, paint, and scale removal.
27 High-Strength Needles
Delivers adequate cleaning power suitable for medium-duty applications.
Pistol Grip Handle
Ergonomic design reduces operator fatigue and improves control during prolonged use.
Durable Construction
High-quality materials ensure long-lasting performance in industrial environments.
Versatile Surface Cleaning
Works efficiently on flat, curved, and irregular surfaces.
Air-Powered Operation
Provides continuous performance without overheating.
Benefits
Balanced Cleaning Power: Medium-duty 27-needle configuration delivers efficient surface cleaning.
Operator Comfort: Ergonomic pistol grip reduces fatigue and allows precise handling.
Durable & Reliable: Built to withstand daily use in industrial and maintenance settings.
Versatile Applications: Suitable for a variety of surfaces and materials.
Low Maintenance: Simple, rugged design minimizes downtime and upkeep.
Applications
Industrial Maintenance: Medium-duty cleaning and surface preparation in factories and workshops.
Construction: Removing rust, paint, and scale from steel beams, rebar, and concrete.
Metal Fabrication: Preparing welds, removing mill scale, and surface coatings.
Automotive & Heavy Equipment: Rust and coating removal from machinery, frames, and components.
Shipbuilding & Marine: Medium-duty cleaning on hulls, decks, and structural components.
Why Choose the ZKJ799NS-27 Air Needle Scaler – Medium Duty Pistol Grip Handle?
The ZKJ799NS-27 is designed for professionals who need a medium-duty needle scaler that combines efficiency, durability, and operator comfort. Its 27-needle configuration delivers controlled cleaning power, while the pistol grip handle ensures precise handling and reduced fatigue. Perfect for industrial, automotive, construction, and shipbuilding applications, the ZKJ799NS-27 offers a reliable and versatile solution for everyday surface preparation 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: 27 pcs
- Piston Diameter: 0.7(18) inch(mm)
- Piston Stroke: 1(26) inch(mm)
- Needle Diameter: 5/64×7(2×180) Øinch(mm)
- Blows Per Min.: 4200 bpm
- Avg. Air Cons.: 2(60) cfm(l/min)
- Overall Length: 14.2(360) inch(mm)
- Net Weight: 3.5(1.6) 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


