Manufacturing methods Shank screwdriver by starting material used is low carbon steel rods. Size, diameter 3.5 mm, made by a screwdriver, turning flower turning up, and heat treatment of the skin with nickel to strength to use.Screwdriver shaft from the characteristics of the workpiece and plastic material. The manufacturing process is injection molding (Injection) This is the stage where parts of the same lever handle with a screwdriver and. 120-170 C , 170 -210 cCoil springs, which must bear the pressure all the time. Must resist rust by suitable methodologies, starting from the initial material is steel diameter is 5 – 10 cm and make cold, reducing the size of the wire, then make a coil of wire with CNC machines and made with zinc coating in order to prolong the work from rust.The touch of a button on the top is smooth parts of the skin to increase the contact area and also acts as a button to close the screw cap on the inside of the circuit by touching the spring at any time by appropriate production methods, starting from the initial material is brass rods about 1 cm in diameter, the outer surface is grooved appearance to increase friction in the screw on the top surface by a lathe and turning on the inside for a cover.The clip is a piece that has a smooth surface and so easy to assemble, so have a look at the circle ring by appropriate production methods, starting from the initial material is sheet. Stainless steel thickness 0.5 mm sizes make the stamping and bend to clamp with the dryer running time.
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