ZRD327D – 1/2 inch Air Reversible Drill (Feathering Control)
The ZRD327D 1/2-inch Air Reversible Drill is a high-performance pneumatic drill designed for professionals who require precise speed control, smooth operation, and reliable power. Featuring feathering throttle control, it allows operators to gradually modulate speed for delicate starts, controlled drilling, and accurate hole positioning. Its robust construction and ergonomic design make it ideal for industrial, automotive, aerospace, and fabrication environments.
Key Features
1/2 inch Chuck Capacity – Accepts a wide variety of drill bits for heavy-duty applications.
Reversible Function – Forward and reverse action for drilling, tapping, reaming, and fastener removal.
Feathering Throttle Control – Smooth, precise speed modulation for delicate or high-precision drilling.
High-Torque Air Motor – Ensures efficient drilling through various materials, including metals, wood, composites, and plastics.
Ergonomic Pistol Grip – Comfortable, well-balanced design reduces operator fatigue.
Industrial-Grade Construction – Durable housing ensures long-term reliability under demanding conditions.
Lightweight & Balanced – Optimized for extended use without compromising control or performance.
Advantages & Benefits
Precision Control – Feathering throttle enables controlled starts and accurate drilling in delicate or precision applications.
Versatility – Suitable for a wide range of materials, as well as drilling, tapping, and fastening tasks.
Enhanced Operator Comfort – Low vibration and ergonomic grip reduce strain during prolonged use.
Durability – Heavy-duty components ensure reliability in industrial and workshop settings.
Increased Productivity – Smooth and consistent performance reduces cycle time and improves efficiency.
Applications
Automotive Repair & Assembly – Ideal for precision drilling and fastener removal in vehicle bodywork and engine components.
Aerospace & Manufacturing – Accurate drilling in metals, alloys, and composite materials.
Metal Fabrication – Suitable for drilling, reaming, and tapping in steel and aluminum parts.
Woodworking & Carpentry – Controlled drilling for cabinetry, furniture assembly, and joinery.
Maintenance & Repair Operations (MRO) – Reliable tool for industrial workshops and on-site applications.
Why Choose the ZRD327D?
The ZRD327D 1/2 inch Air Reversible Drill with Feathering Control delivers a perfect blend of power, precision, and operator-friendly design. It is engineered for professionals who demand reliable performance, smooth operation, and precise control in industrial, automotive, and manufacturing environments.
- The tools feature an innovative and ergonomic composite housing and textured rubber grip that insulates against cold temperatures and vibration and provides excellent comfort and control.
- The ZRD324 Air Drill features a one-piece gearbox structure that runs smoother and lasts longer.

- Advanced Composite Housing
- D or DP series featuring a low-speed feathering control trigger
- Ergonomic Cushion-Grip Handle

Gearbox potions :
- One-piece gearbox for heavy-duty applications.
- Combination gearbox for general application.
Specification:
- Chuck Size: 1/2(13) inch(mm)
- Spindle Thread: 3/8″-24
- Net Weight: 2.6(1.2) lbs(kgs)
- Length: 9(230) in.(mm)
- Free Speed: 700 rpm
- Air Inlet Size: 1/4 inch-NPT/PT
- Min. Hose Size: 3/8(10) inch(mm)
- Avg. Air Cons.: 4 cfm
| Model | Chuck Size inch(mm) | Spindle Thread | Net Weight lbs(kgs) | Length inch(mm) | rpm | Air Inlet inch | MinchHose Size inch(mm) | Avg. Air Cons. cfm |
| ZRD325 | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 450 | 1/4 | 3/8(10) | 4 |
| ZRD325P | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 450 | 1/4 | 3/8(10) | 4 |
| ZRD325D | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 450 | 1/4 | 3/8(10) | 4 |
| ZRD325DP | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 450 | 1/4 | 3/8(10) | 4 |
| ZRD327 | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 700 | 1/4 | 3/8(10) | 4 |
| ZRD327P | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 700 | 1/4 | 3/8(10) | 4 |
| ZRD327D | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 700 | 1/4 | 3/8(10) | 4 |
| ZRD327DP | 1/2(13) | 3/8″-24 | 2.6(1.2) | 9(230) | 700 | 1/4 | 3/8(10) | 4 |



