There are three most common threads per inch for a 1/4 tap, including 1/4-20, 1/4-28, and 1/4-32. Below are the recommended drill…
Category: Drill Bits
What Size Drill Bit for 5/16″ 18, 24, 32 Tap
When selecting the correct drill bit size for a tap, a crucial factor is the type of material you intend to work…