3/8" BSPF HSS Bottoming Hand Tap Sutton ImpUNF9/16x1.3/4 and can be used to

and can be used to measure angles

For long chipping materials

3/16 x 3/8 x 50 Pieces Serrated Hex Flange Bolts & Nuts Zinc Plated

Range/rev 1mm

Bt50 40mm Diameter Spigot

3/8" BSPF HSS Bottoming Hand Tap Sutton ImpUNF9/16x1.3/4 and can be used toParallel (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