British standard pipe taper taps or BSPT for short. The taps are used to cut internal threads for for pipes, pipe fittings, and pressure seals. 

Somta branded Taps & Dies. Established in 1954 somta tools is a leading manufacturer & supplier of world class hss and solid carbide cutting tools to over 70 countries worldwide. In 2016 Somta partnered with global cutting tool giants OSG.

HSS APPLICATIONS

• Suitable for general purpose use in hand or machine operations
• Taps are produced with precision ground threads
• Good for cutting new threads
• Suited for use in a variety of ferrous and non-ferrous materials

HSS TECHNICAL DATA

• Made from High Speed Steel