Tools & Gear Taps & Dies HSS Hand and Machine Taps

B81ZKAB4 1/8" x 27 NPS Intermediate HSS Tap - Goliath HSS Bright Finish NPS Hand and Machine Intermediate 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. 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.