Holt Stainless Countersunk Self Tapper Screws

The Holt SS A4 Countersunk Self-Tapping Screws are durable marine-grade fasteners crafted from A4 stainless steel (316), combining corrosion resistance with strong mechanical grip. These screws conform to DIN 7972 standards and are pre-packed in sets for ease of use.Their countersunk (flat) head design allows for a flush, smooth finish on surfaces, reducing snags and achieving a clean aesthetic – ideal for installations on decks, cabinetry, trim, or other exposed marine surfaces. With their self-tapping capability, these screws can form threads directly into softer metals or plastics, streamlining fitment and maintenance under Irish coastal conditions.FeaturesMade from A4 / 316 stainless steel for strong marine corrosion resistance Countersunk head design ensures a flush, snag-free finishSelf-tapping threads – no pre-drilling required for many substratesComplies with DIN 7972 standardIdeal for deck fittings, trim, hardware, joineryLow maintenance and long-term reliability in coastal, wet, or splash-prone areasHead Type – Countersunk design allows for a smooth, flush finish, reducing the risk of snagging or catching on fabrics, skin or other materialsSpecificationsMaterial: A4 stainless steelHead Type: CountersunkStandard / Spec: DIN 7972