Nominal size: 3/8" (approx. 9.53 mm outer diameter)
Gradient: 26 gears per inch (TPI)
Core hole drill: 8.65 mm (standard) to 8.70 mm
Thread standard: BSC (British Standard Cycle) / CEI
Attention: Likelihood of confusion:
This drill is not compatible with the 3/8"-24 UNF standard (24 gears).
Although they look almost identical,
forceful screwing leads to the destruction of the thread.