![M12 x 1.5mm HSS Metric Tap And Die Set Thread Tap And Round Thread Die Right Hand HSS Taper Silver Tone (2Pcs) M12 x 1.5mm HSS Metric Tap And Die Set Thread Tap And Round Thread Die Right Hand HSS Taper Silver Tone (2Pcs)](https://m.media-amazon.com/images/I/71qGAzeYlgL._AC_UF1000,1000_QL80_.jpg)
M12 x 1.5mm HSS Metric Tap And Die Set Thread Tap And Round Thread Die Right Hand HSS Taper Silver Tone (2Pcs)
What size drill bit would I use to drill hole to then to a 1/4' tap to make threads? Would I be using a 1/4 drill bit or is a 7/32' better
![CoCud Hand Threading Taps, M12 x 1.25 Thread, Metric Alloy Tool Steel Screw Tapping Taper Bottom Tap - (Applications: for Machine Thread Repair), ... CoCud Hand Threading Taps, M12 x 1.25 Thread, Metric Alloy Tool Steel Screw Tapping Taper Bottom Tap - (Applications: for Machine Thread Repair), ...](https://m.media-amazon.com/images/I/81JHd5aYTtL._AC_UF350,350_QL80_.jpg)