Cadmium plated copper buss bars maximum temperature is 330 degrees F. Requirements: Minimum torque values: 6 stud – 11 lbs/in, 8 stud 32 lb/in, 10 stud 40 lb/in. The molded integral stud shall not break, distort or pull out of the terminal board before the minimum torque value is reached. Mounting hole sizes: 8-32 & 10-32 threads mount with #4 screw, 3/8 – 24 mounts with #6 screws.