High Carbon Steel Durability: Constructed from premium high carbon steel, this plug style tap is designed for durability and long-lasting performance, making it a reliable choice for all your threading needs Precision Cut Threads: Featuring precision-cut threads, this tap ensures accurate and consistent threading, providing a perfect fit and professional finish for every project National Fine Threading: The National Fine threading standard guarantees finely threaded results, ideal for detailed work, enhancing the quality of your tasks Heat Treated and Tempered: This carbon steel tap is heat treated and tempered, offering file-hard threads, a longer useful life, ensuring that it remains sharp and effective over time Designed for Hand Cutting Applications: Perfectly suited for hand cutting applications, this tap provides exceptional control and precision. Recommended for use with an 7/8” drill for optimal performance