Goliath Threading Tools 1.3/4″ x 11 BSPF HSS Tap Set – Goliath

Description

1.3/4″ x 11 BSPF HSS Tap Set – Goliath
HSS Bright Finish BSPF Hand and Machine Tap Set.
Pipe taps are much shorter than a similar size of regular hand tap, but the design features are the same.
Goliath HSS taps provide a high hardness to toughness ratio, compressive and tensile strength, good abrasion resistance and resistance to micro-chipping, ensuring a long tool life.
British Standard Pipe – G Series (BSPF) is a pipe thread which is used mainly for mechanical coupling.
The angle of thread is mainly 55º however for the US method some threads have a 60º angle. It is specified according to JIS and ISO R228.
Taper Taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes.
Intermediate Taps have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.
Bottoming Taps have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole.
Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap.
Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
Category: Goliath Threading Tools, Taps Hand & Machine, HSS Pipe Taps and Reamers, BSPF G (BSP/PSPP) for Parallel Threads
Drill Diameter (mm): 51
Overall Length (mm): 132
Pitch (mm): 11
Lead: Set