Shinano SI-1610SR 1/2-inch Compact Pneumatic Impact Wrench
The SI-1610SR is a compact air impact wrench for automotive and workshop fastening tasks. Shinano describes an ergonomic, lightweight design, one-hand forward/reverse control and full-power reverse for wheel-changing work. Match the tool to the fastener, available access and air supply.
Manufacturer-published specifications
| Square drive |
1/2 inch |
| Maximum torque |
450 Nm / 332 ft-lb |
| Working torque range |
0–320 Nm |
| Free speed |
8,000 rpm forward; 8,500 rpm reverse |
| Net tool weight |
1.04 kg / 2.29 lb |
| Average air consumption |
3.8 CFM / 1.8 L/s |
| Air inlet size |
1/4 inch; confirm thread type for the supplied tool |
| Published hose size |
10 mm / nominal 3/8 inch |
| Noise level / sound power |
94 dBA / 105 dBA |
| Vibration a / uncertainty k |
7.7 / 1.3 m/s² |
Source: Shinano SI-1610SR specifications, checked 13 October 2026. The 450 Nm figure is maximum torque, not a separately verified breakaway rating. Average air consumption does not establish continuous running demand. Follow the supplied manual for operating pressure and maintenance.
Check before ordering
- Measure clearance with the intended impact-rated socket and air connection attached.
- Confirm the exact model, socket-retention arrangement, included muffler/accessories, warranty terms and delivery with Tend.
- Check compressor delivery, hose length, couplers and pressure at the tool while operating.
- Use the vehicle or equipment manufacturer’s specified process for final tightening; the impact is not a calibrated torque wrench.
Request a model-specific quote or call 443-201-1259. Price and availability are shown in the product purchase controls.