HSS Hand and Machine Taps
TAP HSS 2 1/2 x 8 UN BOTTOM
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. 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. Bottoming Taps are typically preceded by the use of a Taper or Intermediate tap. 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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