The Hertel Straight Flute Tap is engineered for precision threading in metalworking applications. This 1/2-13 UNC tap features three straight flutes that efficiently evacuate chips while creating clean, accurate threads. Constructed from premium high-speed steel with a bright finish, this bottoming chamfer tap allows you to thread all the way to the bottom of blind holes for maximum thread engagement. The 3B class of fit provides standard tolerance threading suitable for general-purpose applications. With an overall length of 3-3/8 inches and a thread length of 1-21/32 inches, this tap is perfectly proportioned for manual threading operations. The bottoming design makes it ideal for applications where maximum thread depth is essential. This durable tool from Hertel is manufactured to precise specifications, making it a reliable addition to any machinist's toolkit for manufacturing, maintenance, and repair operations across multiple industries.