Alvord Polk 155-h High-speed Steel Taper Pin Reamer, Left Hand Helical Flute,

US $156

USA, United States
Jun 1st

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Alvord Polk 155-H High-Speed Steel Taper Pin Reamer, Left Hand Helical Flute, Round Shank, Uncoated Finish, Size Number: 2/0 Item Description Helical reamers are intended for use in a CNC machine, drill press, or similar, since a lot of torque is needed to effectively drive the tool Taper pin reamers are intended to ream holes for taper pins, which are a standardized fastener Left-hand helical reamers are good for use in through holes (holes that extend all the way through a workpiece) in difficult or long-chipping materials, as they push chips ahead of the tool and into the hole Helical reamers are recommended for reaming holes with interruptions, as they prevent damage to the workpiece edge and tool, when used in a machine with rigid toolholding Uncoated (bright) tools have no finish or coating. They are a good choice for general purpose applications SPECIFICATIONS The Alvord Polk 155-H left-hand helical flute taper pin reamer is a round shank tool made of high-speed steel with no finish or coating, and is most commonly chosen for reaming holes in difficult or long-chipping materials that are intended to receive taper pins. Taper pins are standardized tapered fasteners with one end having a slightly larger diameter than the other end, in order to easily enter a reamed hole and hold itself through friction. Left-hand helical reamers are useful for interrupted cuts and in through holes. Helical reamers prevent whole flute contact with the leading edge in an interrupted cut, as in a keyway. This prevents damage to the interruption and reamer flute. Left-hand helical style tools also push chips ahead of the tip of the tool, instead of pulling chips out of a hole. Left-hand helical reamers are also useful for reaming through holes, since pushing chips into the hole can cause clogging, which may damage the tool. Helical reamers have a more aggressive rake angle than spiral reamers. This means that while they are both used for similar purposes, helical reamers are intended to be used by a drill press or CNC machine, unlike a spiral reamer, which can be used either by hand or in a machine. Helical reamers cannot easily be used by hand, since the action of the high rake angle means that more force is needed to drive the tool, when used in manually-fed machines they will sometimes push the reamer back up out of the hole.. The round shank (minus a square section on the end) shows the user clearly that this tool is not meant to be used with a tap wrench, i.e. driven by hand. High-speed steel is a general purpose steel for cutting tools and is compatible with many metalworking materials. It is often lower in price than other cutting tool materials. For reamers in the 155-H series with taper pin size 7/0 to 9 there are three flutes, and for size 10 there are four flutes. Tolerances for machining this reamer series are +.0030 / +.0060 inches. Reamers are used to finish existing holes. When holes are created using common applications like drilling or punching they often have minute imperfections. Their roundness may be flawed, or their diameter may be slightly smaller than required. Reamers are made to exacting tolerances, so they can correct such errors and create precisely round holes of exacting dimensions. Reaming is often used before tapping screw threads. Alvord Polk manufactures a broad family of cutting tools, brushes, and tooling components, following ISO 9001 standards for quality and environmental impact of their products. Their offices and manufacturing facilities have been located in the United States since 1881. ADDITIONAL FEATURES Manufacturer: Alvord Polk Shipping Weight: 2 Product Dimensions: Width: 0.40 Length: 4.10 Height: 0.40 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. ● Only factory defects are accepted as a reason for a return. In the case of factory defects, we will replace the product for you. ● 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. Please note that we cannot give refunds or replacements after the 30 day limit has expired. ● When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. ● Buyers outside the U.S.A please note - ALL of our electrical appliances sold in our store are 110-120V. ● Return policy for buyers outside the U.S.A - We offer to return the items within 30 days. The BUYER will ship the item at his own cost. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a solution. ABOUT OUTDOOR DEALS STORE We have been available to online customers, offering a variety of brand new products at great prices. 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