2083 round file "proof rasp round file is a working-section round. File hand tool bar multiple blade is mainly used for metal wood and leather surface micro-machining done according to the cross-section can be divided into flat round file square file file file triangular file semicircle diamond shaped rasp file, also called rasp triangular file can be divided into homogeneous head triangular file common file narrow triangle-shaped file special narrow triangle-shaped single grain triangular file heavy triangle file, etc. aluminum bronze alloy and beryllium alloy of two raw material for processing round file, which after many procedures processing, surface treatment products for a variety of situations to customers and friends choose, explosion-proof tools surface treatment products have character, electrostatic spraying etc. After processing the material after the beryllium flat file tensile strength can reach more than 35 degrees, and this material proof and anti-magnetic product is both the product of aluminum bronze alloy products can reach more than 25 degrees, according to the customer Friends is able to meet the different needs of customers or friends for a round file product demand. For more details, please contact http://www.czdean.com "