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1375

CAPSTAN SCREW D404 4MM X 20 STEEL

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A capstan screw is a specialised fastener with a wide, slotted head and often a tapered or shouldered underside designed for use in machinery, jigs, fixtures, and toolmaking. The large head allows for rapid tightening and loosening by hand or using a simple tool. Capstan screws are ideal where frequent adjustment or clamping is required, providing a secure hold without the need for high torque.