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Home About Us Feedback Newsletter Store Categories Dormer E0255/163FL Spiral Point Taps, Cobalt High Speed Steel, UNC5/16, Full Length 2.23/32", Flute Length 0.5939", Shank Diameter 0.3180" Arts Crafts & Sewing Baby Beauty Camera & Photo Electronics Home & Kitchen Home Improvement Kitchen & Dining Office Products Toys & Games Item Description The Dormer MTT-X E025/MTT-X E035 powdered-metal steel spiral point tap has a round shank with a square end, gold oxide finish, and a plug 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) 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). Gold oxide is a low-temperature heat treatment that reduces grinding stress within the tool. 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). 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 E025/MTT-X E035 series, taps in machine screw sizes 6 to 12 have two flutes, taps with nominal diameters of 1/4” to 3/8” are available with two or three flutes, taps with a nominal diameter of 7/16” have three flutes, those with nominal diameters of 1/2” are available with two or three flutes, and those with nominal diameters of 9/16” to 1” have three flutes. All taps in both series have plug 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 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 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. Main Features Spiral point and straight flutes for cutting threads in through holes Spiral point pushes chips ahead of tool to reduce clogging Powdered-metal steel for performance approaching that of solid carbide tools, with the toughness and shock-resistance of high-speed steel Gold oxide finish reduces grinding stress within the tool Available in UNC (Unified Coarse) and UNF (Unified Fine) right-hand thread options for different applications Specifications Manufacturer: Precision Dormer Shipping Weight: 10 Product Dimensions: Width: 0.50 Length: 4.20 Height: 0.40 Tips For Buyers It is very important that you are happy as a customer of ours so we please ask that you consider the following… Make sure to review all information in the description area. Review our seller policies before buying. Do not only view the photo, as the description is the main product spec. We can only ship to the address that is registered on the Ebay account, so please make sure that is correct before purchasing. SHIPPING DETAILS All of our item purchased will ship to each location based on shipping destination and weight. We strive to ship each item within a 24-hour time period once we have received and processed your payment. Every item will ship from a United States based location and the shipping method may vary, but is intended to be the best option for the item. All shipping costs are at no expense and covered by us. Our main goal is to get you your item as quickly as possible to ensure the highest level of satisfaction. As always, customer service is our pleasure. ABOUT US We love taking care of our customer’s retail needs. For years, we ran local retail and grew into the Ebay business to reach our national market. It is our joy to run the best online store for our customers. As a business, we strive to make sure that we can get you your items as quickly as possible. Pricing is always set to be as low as possible so you can enjoy your purchase at the greatest discount. In any event, if you wish to communicate with us, we are here to take care of you and communicate back within a 24-hour time frame. If you are looking for something different or a variation of a product, send us a message and we can check on it for you. 30 DAYS RETURN & REFUND POLICY We provide our customers with a 30 day exchange or return policy. If you would like a refund or an exchange, please contact us and we are happy to help you. The cost of the postage will be covered by the purchaser for a return of defective parts. If you are looking for a return of a defective item, we only allow for “factory defects” as the returned item reason. Please ensure that you return your item within the 30 day allowance from the date in which you purchased. When we get the item, we request that you provide 7 business days for the completion of return processing. Your return must have all parts and accessories included in your shipment and in the same condition it was received. As always, our mission is to take the best care of our customers, so please make sure if there is any problem to contact us for the quickest resolution possible that is equally fair. OUR GUARANTEE Our guarantee of item happiness is our biggest concern. We strive for 100% guarantee that you will be satisfied as our valued customer. If any issue arises that you need help on, we ask that you communicate by message or phone inside of 7 days of receiving your item so we can help to quickly resolve your issue. We have the utmost of gratitude to you, our precious customer, and will strive for the best business practices in every product purchase. 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