3/8" BSPF HSS Bottoming Hand Tap Sutton RIVET 73AS4-4 originally also known as British

originally also known as British Standard Pipe Fitting thread/BSPF which have a constant diameter

Cutting length 30mm

Large end diameter 3

Ball End x 4

Roundness: 0

3/8" BSPF HSS Bottoming Hand Tap Sutton RIVET 73AS4-4 originally also known as BritishParallel (straight) thread, British Standard Pipe Parallel thread BSP; originally also known as British Standard Pipe Fitting thread BSPF which have a constant diameter. For producing precision threads by hand tapping, ideal for finishing blind holes. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 19 Overall length 75mm Cutting length 21mm Drill diameter