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Dormer E03710-32 Spiral Flute Taps, UNF10, Full Length 2.3/8"Flute Length 0.2650", Shank Diameter 0.1940"
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About Dormer E03710-32 Spiral Flute Taps, UNF10, Full
The Dormer MTT-X E027/MTT-X E037 powdered-metal steel spiral flute tap has a round shank with a square end, gold oxide finish, and a modified bottoming chamfer, and is used to create right-hand threads in a range of materials, with best performance in steel, copper, brass, aluminum, and magnesium. It is available in two different ANSI thread specification standards: UNC (Unified Coarse) or UNF (Unified Fine). The 48-degree spiral flutes of this tap pull chips back from the tip of the tool, up and out of the hole to prevent clogging, making it suitable for blind or bottoming holes (with only one opening). Gold oxide is a low-temperature heat treatment that reduces grinding stress within the tool. The modified bottoming chamfer has additional length to reduce chip load, add tool life in difficult-to-machine materials, and permit higher tapping speeds. Right-hand threads are designed to tighten when a head or nut is rotated clockwise (the most common threading direction). Powdered-metal steel offers performance that approaches that of solid carbide tools but with the toughness and shock-resistance of high-speed steel. The round shank with square end helps to minimize rotation in the tool holder. This tool can be used in machines, such as drill presses or lathes, or with hand tools such as tap wrenches. In the Dormer MTT-X E027/MTT-X E037 series, all taps have three flutes and modified bottoming chamfers. This tap conforms to ANSI standards and can create threads to a depth two-and-a-half times its diameter. It is suitable for the ANSI 3B tolerance class: 3B produces close-tolerance fasteners that resist loosening, as in aerospace applications. Taps produce internal threads in previously formed holes and can be used in machines (such as drill presses) or with hand tools. Common types of taps include hand taps, spiral point taps, spiral flute taps, thread forming taps, and pipe taps. Hand taps (straight-flute taps) collect chips in the straight
