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Xifeng hand reamer 3/4/5/6/8/10/12/14/16/18/19/20/22/23/24/25/26-40

discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 69.30
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Hand reamer with multiple cutter teeth, used to remove the machined surface of the thin metal layer of rotary tool. After the cutter processing after the hole can obtain the exact size and shape.

Hand reamers for reaming workpieces have been drilling (or hole) after machining holes, mainly in order to improve the machining precision of hole, reducing the surface roughness, tool is used for finishing and semi finishing machining of holes, generally small machining allowance.

The tool material is alloy tool steel 9SiCr(material description: carbon tool steel is a high quality carbon steel with carbon content ranging from 07% to 1.2%. For example, T10A and so on, after quenching, the hardness is higher and cheaper, but the heat resistance is poor. A small amount of Cr, W, Mn, Si and other elements in the formation of carbon tool steel, alloy tool steel (such as 9SiCr), may be appropriate to reduce the deformation of heat treatment and improve heat resistance. Due to the heat resistance of these two tools materials is low, used to manufacture some hand tools cutting speed is not high, such as file, blade, reamer, less used in the manufacture of other tools. )