ZNS-392 – Shock Reduced Needle Scaler
High-Performance Pneumatic Needle Scaler with Vibration Reduction
The ZNS-392 is a shock-reduced, professional-grade needle scaler designed for surface preparation, rust removal, and paint stripping in industrial, construction, and shipbuilding applications. Its innovative shock reduction system minimizes operator fatigue, providing extended comfort and control during prolonged use.
Key Features
Advanced Shock Reduction Technology – Minimizes vibration and recoil for safer, more comfortable operation.
High-Frequency Needle Action – Delivers rapid, precise needle impacts for efficient removal of rust, scale, and coatings.
Durable Industrial Construction – Built with premium materials to withstand heavy-duty applications.
Ergonomic Pistol-Grip Design – Ensures maximum control and reduced hand fatigue during long working hours.
Adjustable Needle Pressure – Fine-tune the scaling intensity for various surface conditions.
Reliable Pneumatic Operation – Powered by compressed air for consistent performance and high efficiency.
Technical Specifications
Model: ZNS-392
Type: Shock Reduced Needle Scaler
Needle Count: Multi-needle configuration for optimal coverage
Impact Frequency: High-speed pneumatic operation
Power Source: Compressed air
Recommended Applications: Rust removal, paint stripping, weld cleaning, surface preparation
Benefits
Reduced Hand-Arm Vibration – Protects operator health and improves precision.
Efficient Surface Preparation – Quickly removes rust, scale, and old coatings.
Durable & Reliable – Designed for continuous use in demanding industrial environments.
Ergonomic Operation – The pistol-grip handle ensures comfortable and controlled handling.
Versatile – Suitable for metal surfaces, ship hulls, construction equipment, and more.
Applications
Industrial Maintenance – Remove rust, corrosion, and old coatings from machinery and metal surfaces.
Construction & Fabrication – Clean weld seams and prepare surfaces for painting or coating.
Shipbuilding & Marine Applications – Efficiently strip paint, barnacles, and corrosion from metal hulls.
Metalworking Shops – Ideal for surface preparation before finishing, coating, or repair work.
Why Choose the ZNS-392?
The ZNS-392 Shock Reduced Needle Scaler combines high-performance scaling, durability, and operator-friendly vibration reduction. Perfect for professionals who demand efficient surface preparation with minimal fatigue, this tool is a reliable choice for industrial, marine, and construction environments.
Features
- Designed with the following patents to ensure the best shock reduction and operator’s comfort.
1) Portable pneumatic tool assembled with module units.
2) Suspension vibration-reducing means for portable pneumatic tools. - Alloy steel-made impact parts are heat-treated for durability.
- Quick-Change Retainer for Simple Accessory Changes.
- Ergonomic handle with a rubber-made exhaust muffler for added operator comfort.
- An optional patented universal swivel air inlet joint for the best maneuverability of the tool.
- Bumper
- Air inlet tube
- Valve seat
- Air actuating valve
- Auxiliary damping spring
- Ergonomic handle with rubber sleeve
Specification:
- Chisel Shank Opening: 0.401(10.2) inch(mm)
- Bore Diameter: 3/4(19) inch(mm)
- Stroke Length: 1-31/32(50) inch(mm)
- Blows Per Minute: 4000 bpm
- Avg. Air Cons.: 15.2(430) cfm(l/min)
- Net Weight: 3.4(1.5) lbs(kgs)
- Air Inlet Size: 1/4 PT/NPT
- Operating Air Pressure: 90(6.2) PSI(bar)
- Min. Hose Size: 3/8(10) inch(mm)
- Vibration: 2.5 m/s2
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| Model | Chisel Shank Opening inch(mm) | Bore Diameter inch(mm) | Stroke Length inch(mm) | Blow Per Minch bpm | Avg. Air Cons cfm(l/min) | Net Weight lbs(kgs) | Minch Hose Size inch(mm) | Vibration m/s² |
| ZAH-392 | 0.401(10.2) | 3/4(19) | 1-31/32(50) | 4000 | 15.2(430) | 3.4(1.5) | 3/8(10) | 2.5 |
| ZAH-392H | 0.410(10.4) | 3/4(19) | 1-31/32(50) | 4000 | 15.2(430) | 3.4(1.5) | 3/8(10) | 2.5 |
| ZAH-393 | 0.401(10.2) | 3/4(19) | 2-5/8(66) | 3000 | 4.95(140) | 4(1.8) | 3/8(10) | 10 |
| ZAH-393H | 0.410(10.4) | 3/4(19) | 2-5/8(66) | 3000 | 4.95(140) | 4(1.8) | 3/8(10) | 10 |
| ZAH-394 | 0.401(10.2) | 3/4(19) | 3-1/2(89) | 2100 | 5.65(160) | 4.6(2.1) | 3/8(10) | 5.5 |
| ZAH-394H | 0.410(10.4) | 3/4(19) | 3-1/2(89) | 2100 | 5.65(160) | 4.6(2.1) | 3/8(10) | 5.5 |
| ZAH-592 | 0.401(10.2) | 3/4(19) | 1-31/32(50) | 4000 | 15.2(430) | 3.4(1.5) | 3/8(10) | 2.5 |
| ZAH-592H | 0.410(10.4) | 3/4(19) | 1-31/32(50) | 4000 | 15.2(430) | 3.4(1.5) | 3/8(10) | 2.5 |
| ZAH-593 | 0.401(10.2) | 3/4(19) | 2-5/8(66) | 3000 | 4.95(140) | 4(1.8) | 3/8(10) | 10 |
| ZAH-593H | 0.410(10.4) | 3/4(19) | 2-5/8(66) | 3000 | 4.95(140) | 4(1.8) | 3/8(10) | 10 |
| ZAH-594 | 0.401(10.2) | 3/4(19) | 3-1/2(89) | 2100 | 5.65(160) | 4.6(2.1) | 3/8(10) | 5.5 |
| ZAH-594H | 0.410(10.4) | 3/4(19) | 3-1/2(89) | 2100 | 5.65(160) | 4.6(2.1) | 3/8(10) | 5.5 |
| ZNS-392 | 0.401(10.2) | 3/4(19) | 1-31/32(50) | 4000 | 15.2(430) | 3.4(1.5) | 3/8(10) | 2.5 |
| ZCH-394B | 0.401(10.2) | 3/4(19) | 3-1/2(89) | 2100 | 6(170) | 4.6(2.1) | 3/8(10) | 5.3 |
*(H)-Chisel Shank Opening 0.410″(10.4mm) *Operating Air Pressure: 90psi/6.2bar. *Air Inlet Size: 1/4″ PT/NPT



