Tools & Gear Taps & Dies HSS Hand and Machine Taps

C84ZKAA4 1/2" x 14 NPS Taper HSS Tap - Goliath HSS Bright Finish NPS Hand and Machine Taper Tap. 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. National Pipe Straight (NPS) - Parallel - made to American Standards). Used for free-fitting mechanical joints where thread sealing is not required. 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.