truss head self tapping screw customized not the same slotted

In the screw fastener, the common groove is the cross groove, hexagon socket, slotted, torx, phillips/slot. Is these common groove, some customers proposed to the truss head self tapping screw groove customized to a different slotted.

In general, slotted is cut directly on the head or cold heading a groove, the width of the slotted directly beyond the edge of the head. The client required the slotted of the truss head self tapping screw to be inside the head and not beyond the edge of the head. Based on the customer’s description, Shi Shi Tong simply drew a sketch for the customer to see and asked them if the slotted they requested was like this.

The client looked at the sketch and said that was what he had asked for. After that, Shi Shi Tong communicated with the customer about the width and depth of the slotted of the truss head self tapping screw. After the detailed parameters, materials, quantity and so on are confirmed, and the price is accepted by the customer, the customer asks Shi Shi Tong to give him a contract, and he will pay as soon as possible.

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