1-3/8" UNC HSS Second Hand Tap

Goliath 1-3/8" UNC HSS Second Tap For producing precision threads by hand tapping, ideal for through holes.
General purpose use
Suitable for materials up to 1000N/mm2
Through & blind holes
Suitable for both hand and machine operations
Threads per inch 6
Overall length 151mm
Cutting length 51mm
Drill diameter 30.75mm