1/2" BSPF HSS Taper Hand Tap FEW FlangeC1/2x1Z 7/16 x 20UNF draw bolt

7/16 x 20UNF draw bolt thread

• Replaceable diamond blade

which is a significant jump above stock

ideal for round and square tubing

Code 1600001

1/2" BSPF HSS Taper Hand Tap FEW FlangeC1/2x1Z 7/16 x 20UNF draw boltParallel (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, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Through & blind holes Suitable for both hand and machine operations Threads per inch 14 Drill diameter 19mm Brand