Formula: |
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Length (L) = | Effective length of the wrench as described below. | ||
Dial Wrenches = | The measured distance from the center of the square drive to the center ring or notch on the handle. | ||
Micrometer Wrenches = | The measured length from the center of the square drive to the center of the handle, with the wrench set at the desired torque reading. | ||
Desired Torque (TA) = | The torque value designated for the fastener with or without an adapter. | ||
Added Length of Adapter (A) = | The measured length from the center of the adapter drive to the center of the wrench square drive | ||
New Setting (TW) = | The torque setting on the wrench allowing for the added length of the adapter. This reading will be lower than the desired torque. | ||
Example: | 250 ft. lb. Dial Wrench using a 2” long crowfoot adapter L = Effective Length: 18.75” Desired Torque = 250 ft. lb. Length of Adapter = 2” | ||
Result: |
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