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A brief introduction to the fixing screws of sheet metal stamping parts

by:Fortuna     2021-03-04
Stamping parts processing factory, processing various metal stamping parts, the following briefly talk about the knowledge of sheet metal stamping parts fixing screws; sheet metal stamping parts are directly punched or tapped on the plane using self-tapping screws, and self-tapping screws are triangular self-tapping screws. Preferably, the problem of slippage will not occur. But the driving force will be heavier than non-triangular self-tapping screws; if the screw is 3mm in diameter, the aperture d should be between 2.4~2.5mm; if the screw is 4mm in diameter, the aperture d should be 3.4~3.5 mm; punching or tapping on the plane of the sheet metal stamping parts, tapping with screws, tapping M3 or M4 mechanical teeth; if the diameter is 3mm screw, the aperture d should be 2.6mm before tapping ; If the diameter of the screw is 4mm, the hole diameter d should be 3.6mm before tapping; the sheet metal stamping parts are punched on the plane of the riveted fixed nut, and the hole diameter d of the riveted fixed nut is recommended by the manufacturer The size is the benchmark; the article recommends: the connection method of sheet metal stamping parts Previous: Deep drawing stamping process of stamping parts
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