Cut-thread tap holes must be oversized by 5.5% to 0.602 in. before their strength dips below 35,000 lb. Holes oversized by nearly 1/32 in. still retained 72% of the best strip-out strength.

The Global Pipe Threading Machines Market was valued at US$ 25.9 Bn in 2022 and is projected to reach US$ 45.1 Bn by 2031.

In the first case, when the internal thread is as strong as the bolt and the length of engagement is at least 1.5 times the nominal bolt diameter, designers can use standard torque tables.