High speed phone screw heading machine BM-3 is mainly used to form the head of the tiny screw micro screw product. Its working principle is that the first punch is forged and the two punched blank is withdrawn. Various metal materials can be upset: ordinary steel, carbon steel, stainless steel, copper, aluminum, alloy steel, and other materials, used for mobile phone screws, electrical screws,miniature screws, and other products.
|Model||BM-3 (0# machine)|
|Punch die size||18mm|
|Cutting die size||13.5mm|
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