Special micro screws as per drawing in attachment The screws will be used for modeling and the head of the screw will be part of the model Head of the screw as per drawing in attachment (cold forged) All the dimensions are in mm Thread like self tapping screws or wood screws. The screw has to drill perfectly wood or plastic materials. The thread in the drawing is only an example, it can also be different. Important is that it works correctly. Material: brass or nickel sivler Quantity: 400 000 pcs.