Self drilling screw making machine BHD4-40



Self drilling screw making machine BHD4-40 is mainly used to form the self drilling screw head of the 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 Its working principle is that the first punch is forged and the two punched blank is withdrawn.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 ordinary self-tapping screws, electrical screws, micro screws, self-drilling screws, fiberboard screws and other products.

Main Specifications:

Max.Blank Diameter/mmφ2.0-4.0
Max.Blank Length/mm40
Max.Cut-off length/mm47
Capacity/ pcs/min160-180
Main Die Diameter/mmφ30x60
The Initial Punch Die Diameter/mmφ25x65
The Precise Punch Die Diameter/mmφ25x65
Cut-0ff Die Diameter/mmφl5x30
Cutter Size/mm10x35x72
Main Motor Power/kW3.0HP/2.2kW
Volume (LxWxH) /ml.80x0.85x1.15

M1-M12 screw heading machine is available. For the unshown models, please contact us for more details.

Self drilling screw making machine BHD4-40


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1.We reserves the right to modify the above parameters, and may not be notified if there is any modification;

2.The most suitable production speed of the product depends on the shape, size and material of the product;

3.The maximum material shear diameter and the suitable product diameter listed in the table are calculated as medium carbon alloy steel, equivalent to 10.9 high strength screws.

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