HOW ADAPTERS AFFECT TORQUE LIMITS CONTINUED
A 6-inch extension is used on an 18-inch torque wrench. The required torque is 300 lb-ft (407 Nm).
Using the formula, the torque wrench setting can be determined:
Figure 6. Torque Calculation Example.
Therefore, a torque wrench setting of 225 lb-ft (305 Nm) will result in the required torque of 300 lb-ft (407 Nm).
HOW TO USE TORQUE TABLES
Figure 7. Measuring a Bolt.
1. Measure the diameter of the bolt you are installing.
Threads-per-inch measurement applies to SAE standard fasteners only (Table 1).
2. Count the number of threads per inch or use a pitch gauge.
3. Look down the left-hand column and find the diameter and number of threads per inch of the bolt you are
4. Find the torque value for the grade of bolt you are installing.