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The Extension Tap is a high-speed steel drill bit designed for versatility and efficiency in various industries such as automotive, machining, and aerospace engineering. It has a size of 1/4-20 and is engineered to produce clean, precise threads on materials like metal, wood, or plastic. Its two flutes promote efficient chip removal, while its oxide finish enhances lubricity and prevents rust. The extension tap enables easy starting in confined spaces and provides precise thread alignment, making it a must-have tool for professional toolboxes and workshops.