Holt SS A4 Countersunk Machine Screw

The Holt SS A4 Countersunk Machine Screws are premium fasteners made from A4 (marine-grade 316) stainless steel, ideal for flush mounting in marine environments. Based on this, these screws are pre-packed and available in metric sizes. Holts countersunk design allows the head to sit flush with the surfaceperfect for deck hardware, cabinetry, and fittings where protruding screw heads are undesirable.With excellent corrosion resistance and strength, these screws are well suited to coastal conditions and salt-laden air. They maintain structural integrity under exposure and help preserve the sleek, clean finish of your marine installations. Compatible with standard tool sets, the countersunk head also ensures smooth surfaces that reduce snagging and wear.FeaturesMade from A4 / 316 stainless steel for superior corrosion performance in marine settingsCountersunk head design ensures flush installation and sleek finishSupplied in pre-packed sets for convenienceAvailable in metric sizesStrong mechanical thread engagement for secure fasteningLow maintenance – ideal for exposed marine useSuitable for deck fittings, cabinetry, hardware mountingComplements high-quality marine joinery and finishesSpecificationsMaterial: A4 / 316 stainless steelHead Style: Countersunk (flush mount)Drive Type: Slotted