How to choose combination screws

The function of combination screws: It has perfect fastening capacity, is supporting high and low voltage contact, high and low voltage air conditioning wiring, is the electrica...

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Fastener Basics (Function)

1, screw torque requirements: the torque of the outer hex screw is relatively larger, the torque of the inner hex screw is smaller, and the torque of the cross slot is smaller (...

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