Union Butterfield 1585a(unc) High-speed Steel Spiral Point Tap, Relieved Style,

US $270

USA, United States
Jun 5th

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Union Butterfield 1585A(UNC) High-Speed Steel Spiral Point Tap, Relieved Style, Black Oxide Finish, Round Shank With Square End, Plug Chamfer, 7/16"-14 Thread Size Item Description Spiral point tap pushes chips ahead of tool to reduce clogging Spiral point tap with straight flutes for cutting threads in through holes Black oxide finish improves lubricity, resists corrosion, and helps prevent buildup Relieved-style design reduces friction between tap and workpiece for reduced tool wear Plug chamfer for easier starting and correct perpendicular alignment SPECIFICATIONS The Union Butterfield 1585A(UNC)/1585A(UNF) high-speed steel spiral point tap has a relieved-style design, straight flutes with a plug chamfer, black oxide finish, and a round shank with a square end, and is used to create right-hand threads in a range of materials. It is available in two different ANSI thread specification standards: UNC (Unified Coarse) and UNF (Unified Fine). The spiral point of this tap (sometimes referred to as a ?gun tap?) pushes chips ahead of the tool and the straight flutes reduce clogging. Both characteristics make it suitable for threading through holes (extending through the workpiece). The black oxide finish of this tool will not chip. It improves lubricity, resists corrosion, and helps to prevent buildup and welding on the cutting edge of the tool. Relieved-style design reduces the friction between tap and workpiece for longer tool life. A plug chamfer distributes cutting to ease tapping at the beginning of the hole and to maintain correct perpendicular alignment with the workpiece. Right-hand threads are designed to tighten when a head or nut is rotated clockwise (the most common threading direction). High-speed steel (HSS) is a common general-purpose steel for cutting tools, and is compatible with a variety of materials. 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 Union Butterfield 1585A(UNC) and 1585A(UNF) tap series, taps with 1/4? to 5/16? nominal diameters have two flutes, and those with 3/8? to 3/4? nominal diameters have three flutes. All taps in these series have plug chamfers. This tap conforms to ANSI standards and can create threads to a depth 2 ? times its diameter. It is suitable for ANSI 2B and 3B tolerance classes: 2B is an average quality fit for commercial and industrial fasteners; 3B produces close-tolerance fasteners used for greater resistance to stripping, 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 flutes of the tool; spiral point taps push chips through holes ahead of the tool; and spiral flute taps pull chips back from the tip of the tool, up and out the hole. Thread forming taps, also known as cold forming taps, press rather than cut to create threads in a drilled hole, and no chips are created. Pipe taps create threads in pipes and pipe fittings. Each thread type designates a thread profile and each type is identified with an abbreviation. In the U.S. and Canada, the Unified Thread Standard is the dominant thread type, including UNC (Unified Coarse), UNF (Unified Fine), and NPT (National Pipe Taper) threads, among others. Precision Dormer manufactures cutting tools under the following brands: Precision Twist, Dormer, and Union Butterfield. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards. ADDITIONAL FEATURES Manufacturer: Precision Dormer Shipping Weight: 8 Product Dimensions: Width: 3.70 Length: 3.90 Height: 1.20 SHIPPING INFORMATION ● Our stock all ships from our US-based warehouses. ● Shipped via USPS or UPS (depending on location and package weight) ● Unless stated otherwise, all orders will ship within 24 hours of your payment being processed. Check our feedback to see the great reviews of FAST shipping we offer. ● Shipping is always FREE! RETURN & REFUND POLICY ● We offer a 30 day return/exchange policy for our products. ● You can choose refund or exchange if you are dissatisfied for any reason with your product. ● When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. ● You will be required to cover shipping on the return of defective items. ● All returns MUST be done within 30 days of date of purchase. 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