Does adding a 3/8" X 6" extension to a 3/8" drive torque wrench increase the torque value at a fastener by 50%?

When a 3/8" X 6" extension is added to a 3/8" drive torque wrench, the torque value at the fastener does not change. Torque is defined as the product of force and the distance from the pivot point (in this case, the center of the fastener). When using a torque wrench, the wrench is calibrated to deliver a specific torque value, which is applied directly to the fastener regardless of the additional length of the extension.

Adding an extension may make it easier to reach the fastener, but it does not change the calibration of the wrench or the amount of torque being exerted at the fastener. Maintaining the correct torque is critical to prevent over-tightening or under-tightening, which could lead to issues with fasteners.

The options regarding increases or decreases in torque value misunderstanding the fundamentals of how torque wrenches function in relation to applied torque and distance. Therefore, the torque value remains unchanged even with the addition of an extension.