Tools & Gear Taps & Dies HSS Hand and Machine Taps

• 1/4" x 19 BSPF HSS Tap Set
• HSS BSPF Hand and Machine Tap Set.
• British Standard Pipe (G Series) is a pipe thread which is used mainly for mechanical coupling.
• The angle of thread is mainly 55° however for the US method some threads have a 60° angle. It is specified according to JIS and ISO R228.
• 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.
• 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.
• Taper Taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes.
• Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.