HSS Hand and Machine Taps
TAP HSS 1/8 x 28 BSPT INTER
Tools & Gear Taps & Dies HSS Hand and Machine Taps
Pipe Taps Pipe Taps are supplied with PARALLEL threads or TAPER threads. They 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. Tapered Pipe Taps are used for tapered threading by hand or machine. BSPTBRITISH STANDARD PIPE TAPER (RC SERIES PIPE TAPER) This is based on the Whitworth thread form - a symmetrical V-thread with an angle of 55 deg;. BSPT has been widely adopted internationally for interconnecting and sealing pipe ends by mating an external (male) with an internal (female) thread. The thread diameter increases along the length of the thread allowing the coupled pipes to form a seal when torqued as the flanks of the threads compress against each other. The taper is 1 to 16 - meaning that for each 16 mm increase in the distance from the end - the diameter increases by 1 mm. 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. Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
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