Product Description
- Features
- Specifications
- Dimensions
- Accessories
- Downloads
- Calibration
| ○ 6 models available |
| ○ Positive locking pull down adjustment knob |
| ○ Trilobular comfort grip; lightweight, rugged and built to last |
| ○ Universal 1/4″ hex bit holder with strong rare earth magnet |
| ○ Cam-over torque limiting clutch for repeatability and accuracy |
| ○ Slip resistant finish |
| ○ Easy to ready window scale and adjustment knob for precise settings |
| ○ Automatic lock in CCW direction for removing screws |
| ○ Accuracy +/- 6% of indicated value, CW, from 20% to 100% of full scale |
| ○ Individually serialized with matching certificate of calibration traceable to N.I.S.T. |
| ○ Meets or exceeds ASME B107.300 – 2010 and ISO 6789 |
| Range | 40 to 200 cNm |
| Accuracy | ± 6% of Indicated Value from 20% to 100% of Full Scale (Clockwise) |

| Dimension | 1.1 x 6.25 |
| Drive | 1/4″ |
| Weight | 8 oz |
○ A Certificate of Calibration is included when calibration services are ordered from MRM Metrology Inc.
○ Use CAL 151NSMW when requesting calibration services from MRM Metrology.
Calibration and Repair Services
MRM provides Calibration and Repair Services for the
151NSMW Williams Torque Screwdriver, Micro-Adjustable
For a quote, please email us at [email protected]













































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