2082 semi-circular file "proof is semi-circular file rasp a working-section semicircle file multi-bladed hand tool bar is mainly used for metal wood and leather surface micro-machining done according to the cross-section can be divided into flat file square file round 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 and production of semi-circular 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. After the processing of beryllium copper flat file tensile strength of the material 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 different needs of customers or friends is able to meet customer demand for friends, triangular file of the product. For more details, please contact http://www.czdean.com "" semi-circular file proof, explosion-proof flat file, triangular file proof, explosion-round file, explosion-proof square file rasp is mainly used on the surface for manual cutting operation, high hardness copper alloy forged toothing general are durable, uniform shape unify, filing faster and easier, rubber, wooden handle comfort non-slip toothing generally based on class is divided into: coarse teeth filing, and a fine-tooth filing, tooth filing, file teeth surface coating of a special heat treatment, durable wear; according to the overall shape of the rasp was divided: semicircle file, flat file, triangular file ., square file, round file and other file type, then the function of different tooth is different, for example: coarse teeth flat file: for filing plane, cylindrical surface and a convex arc; a fine-tooth semi-circular file: round file to file round holes smaller radius concave arc and oval face, filing workpiece uneven surface; tooth triangular file: for filing internal angles, holes and flat triangle; square file: for filing square hole, rectangular hole and narrow plane and so on; there are a lot of frustration assorted variety of cross-sectional shape composed of a rasp, mainly applied to small parts finishing the work. "