DTA-340A4 digital torque and angle adapter
By TOPTUL / Rotar Machinery Industrial Co., Ltd.
DTA-340A4 is a listed TOPTUL digital torque and angle adapter with a 1/2-inch square drive and an original 17–340 N·m torque range.
Only this exact catalog part reference and its listed specifications. Torque ranges are the original Nm values, not converted values. Display or setting range is not an accuracy claim. Operating direction, working range, calibration, sockets, insert heads and supplied configuration require the original documentation and supplier confirmation.
Specifications
| Attribute | Value | Conditions | Source |
|---|---|---|---|
| Square drive | 1/2 in | Original DRIVE column; socket/insert compatibility requires selection. | TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information |
| Listed torque range | 17–340 N·m | Original matching model Nm torque-range column; no conversion from another printed unit. | TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information |
| Length | 80 mm | Original matching model L column. | TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information |
| Rotation angle range | Up to 999 ° | Original listed rotation-angle range; this is not an angular-accuracy claim. | TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information |
| Memory capacity | 50 readings | Original memory-capacity specification. | TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information |
Applications
- Controlled tightening of threaded fasteners
Sources and updates
Scope of this page: Only this exact catalog part reference and its listed specifications. Torque ranges are the original Nm values, not converted values. Display or setting range is not an accuracy claim. Operating direction, working range, calibration, sockets, insert heads and supplied configuration require the original documentation and supplier confirmation.
TOPTUL / Rotar Machinery Industrial Co., Ltd. original public information
Original publication · TOPTUL / Rotar Machinery Industrial Co., Ltd.
Source accessed: 27 October 2026
Content updated 27 October 2026. Source dates describe the documents or the recorded access to them.
How information is documented