ZKJ831 Air Needle Scalers – Pistol Grip
The ZKJ831 Air Needle Scaler is a durable and high-performance surface preparation tool designed for removing rust, paint, weld slag, and other stubborn surface contaminants. Featuring a pistol grip design, it offers superior ergonomics and control, making it suitable for extended use in industrial and professional environments. Engineered for efficiency, durability, and operator comfort, the ZKJ831 is the perfect choice for industries such as shipbuilding, construction, metal fabrication, and maintenance.
Key Features
Pistol Grip Design
Ergonomic handle ensures excellent balance, control, and reduced operator fatigue.
Durable Needle Configuration
Equipped with multiple high-quality steel needles for aggressive and efficient scaling action.
Versatile Surface Cleaning
Effectively removes rust, paint, corrosion, slag, and other tough surface coatings.
Heavy-Duty Construction
Built from robust materials to handle demanding industrial applications.
Adjustable Needle Action
Allows flexibility to adapt to irregular surfaces and contours.
Air-Powered Efficiency
Provides consistent performance without overheating during long operations.
Benefits
Efficient Surface Preparation: Quickly removes coatings, rust, and scale, saving time.
Operator Comfort: Pistol grip reduces strain during prolonged use.
Versatility: Adapts to different materials and irregular surfaces.
Durability: High-quality components ensure long service life in industrial environments.
Reduced Downtime: Air-powered system offers continuous operation without motor overheating.
Applications
Shipbuilding & Marine Maintenance: Removing rust, scale, and coatings from hulls and structures.
Construction: Surface cleaning of steel frameworks and concrete preparation.
Metal Fabrication: Cleaning welds, slag, and surface coatings for finishing.
Industrial Maintenance: Rust and paint removal in factories and workshops.
Automotive & Heavy Equipment: Preparing parts and surfaces for repair or repainting.
Why Choose the ZKJ831 Air Needle Scaler – Pistol Grip?
The ZKJ831 Air Needle Scaler combines powerful performance, ergonomic handling, and rugged durability, making it an essential tool for industrial surface preparation. Its pistol grip design enhances comfort and control, while the high-quality needle action ensures effective cleaning across different materials. For industries where efficiency, reliability, and operator safety are crucial, the ZKJ831 is the ideal choice.
Features & Benefits
- Needle scaler for industrial application
- Sturdy and simple design for heavy and wide applications
- Superior design with internal spring components provides greater durability
| 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) |
| ZKJ27 | 19 | 0.6(16) | 0.6(16) | 5/64×7(2×180) | 4000 | 2.5(70) | 11.2(285) | 3.5(1.6) |
| ZKJ31-12 | 12 | 0.8(20) | 1.06(27) | 1/8×7(3×180) | 4000 | 4(115) | 13.6(345) | 5.3(2.4) |
| ZKJ31-27 | 27 | 0.8(20) | 1.06(27) | 5/64×7(2×180) | 4000 | 4(115) | 13.6(345) | 5.3(2.4) |
| ZKJ35-23 | 23 | 0.94(24) | 1.06(27) | 1/8×7(3×180) | 4000 | 7(198) | 13.2(335) | 6.2(2.8) |
| ZKJ35-53 | 53 | 0.94(24) | 1.06(27) | 5/64×7(2×180) | 4000 | 7(198) | 13.2(335) | 6.2(2.8) |
| ZKJ39-14 | 14 | 1.1(28) | 1.1(28) | 5/32×7(4×180) | 3500 | 7.4(210) | 13.8(350) | 7.9(3.6) |
| ZKJ39-28 | 28 | 1.1(28) | 1.1(28) | 1/8×7(3×180) | 3500 | 7.4(210) | 13.8(350) | 7.9(3.6) |
| ZKJ39-66 | 66 | 1.1(28) | 1.1(28) | 5/64×7(2×180) | 3500 | 7.4(210) | 13.8(350) | 7.9(3.6) |
| ZKJ39A | ─ | 1.1(28) | 1.1(28) | ─ | 3500 | 7.4(210) | 13.8(350) | 7.9(3.6) |
| ZKJ831 | 19 | 0.75(19) | 2.7(70) | 1/8×7(3×180) | 3500 | 6.6(187) | 14.6(370) | 6(2.7) |
| ZNS-1228 | 12 | 0.75(19) | 1.6(41) | 1/8×4.9(3×126) | 2800 | 2.1(60) | 11.6(295) | 2.4(1.1) |
| ZNS1919 | 19 | 0.75(19) | 1.6(41) | 1/8×7(3×180) | 4000 | 7.4(210) | 12(305) | 4.9(2.2) |
| ZNS1919C | 19 | 0.75(19) | 1.6(41) | 1/8×7(3×180) | 4000 | 7.4(210) | 13(330) | 4.9(2.2) |
| ZNS-4111 | 13 | ─ | ─ | 0.051(1.3) | 3000 | 1.68(48.1) | 9.28(235.6) | 1.06(0.48) |
- Min. Hose Size: 3/8(10) inch(mm)
- Air Inlet Size: 1/4 inch-NPT/PT



