Tools & Gear Taps & Dies HSS Hand and Machine Taps

HSS Straight Flute Short Machine and Hand Taps These general purpose taps are ideal for creating new threads in a wide variety of materials. 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. 8 UNUNIFIED CONSTANT PITCH The 8 UN thread series are constant pitch; the pitch does not increase with diameter. 8 UN series have 8 TPI - and is used for diameters one inch and above. 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.