Somta Series 531 - HSS Straight Flute Short Hand Bottom (Finishing) Tap BSF 1/2" x 16 TPI x1 PVC Pipe Female/Female 3" NPT Thread Ball Valve making it ideal for measuring

making it ideal for measuring internal and external grooves

Second Tap (Intermediate) – Designed for continued thread cutting following the taper tap

glare-free visibility

Precision Tip – Eliminates need for pilot holes

Somta Series 531 - HSS Straight Flute Short Hand Bottom (Finishing) Tap BSF 1/2" x 16 TPI x1 PVC Pipe Female/Female 3" NPT Thread Ball Valve making it ideal for measuringHSS Bottom Tap BSF x 16 Somta Series 531 The SOMTA 5311273 x 16 BSF HSS Bottom Tap is a precision threading tool designed for cutting full depth internal threads in blind holes. Engineered from high speed steel (HSS), this bottoming tap features a short chamfer for clean starts and maximum thread depth close to the hole bottom. It conforms to BSF (British Standard Fine) thread standards, making it ideal for general engineering, classic vehicle