This Sirius Countersunk Machine Screw is an M4 x 20mm fixing in A4 316 stainless steel, sold as a Pack of 1. The M4 diameter and 20mm length are suited to medium-depth fastenings in marine hardware, industrial equipment and architectural applications where corrosion resistance is critical. Features and Benefits: • A4 316 stainless steel for superior corrosion resistance • Countersunk head for a flush, professional finish • Pozidriv drive reduces cam-out and improves torque • Precision metric threads for reliable fastening • Suitable for marine, industrial and outdoor use Specifications: Diameter: M4 Length: 20mm Qty: Pack of 1 Contents: Pack of 1
Retailer feed snapshot imported on 21 October 2026. Not live-checked or automatically refreshed. Confirm delivery, stock and final price at the retailer.
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United Kingdom · GBP
Recorded item price
£0.49
Recorded feed date not supplied; imported 21 Oct 2026 · Not automatically refreshed
Delivery: Charges unknown; not included above.
Availability: Feed reports available; confirm current stock at the retailer.
Listings marked as checked daily are refreshed on a schedule. Other recorded prices are not automatically refreshed. Unconfirmed delivery costs are excluded. Overseas availability is not implied. Other-country offer conversions use approximate exchange rates. Always confirm the final price at the retailer.
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