Sowester Countersunk Head A4 Self Tapper Screws DIN7982 – Various Sizes

Sowester countersunk self-tapper A4 screws in a selection of sizes and pack options.A4 stainless-steel (marine-grade) countersunk-head, Pozi-drive self-tapping screw designed to cut its own thread in wood, plastics, or sheet materials, while providing a flush-fit head finish. The stainless A4 makes these screws suitable for corrosive, outdoor, or marine environments. The range covers multiple lengths and thicknesses giving flexibility for many fastening jobs. FeaturesMaterial: A4 stainless steel (316 grade) – marine-grade, corrosion-resistantHead type: Countersunk (flat / flush) – sits flush with the surface once installed, for a neat finish and no protrusionDrive type: Pozi (Pozidrive cross-recess) – good torque transfer, reduced slippage when driving screwsSelf-tapping thread (Type AB / Type C, where applicable) – the screw cuts its own thread into substrate: no need for a pre-tapped nut, useful for sheet metal, plastics, wood, compositesSuitable for varied materials: wood (softwood/hardwood – pre-drill recommended for hardwood), plastics, sheet materials, thin metal or composites, depending on thickness & gaugeMarine/outdoor suitability: Because of A4 stainless steel and corrosion resistance, ideal for boats, coastal/cold-marine use, exterior works, or humid/corrosive environmentsRange of sizes available: supports a wide size spectrum – giving flexibility to choose according to project needsSpecificationsStandard: DIN 7982 / DIN 7982-CZ Self-Tapping Countersunk Screws (or equivalent)Material: A4 stainless steel (316 grade)Head Style: Countersunk (flush-fit)Drive: Pozi / Pozidrive (cross-recess)Thread Type: Self-tapping coarse thread (Type AB / Type C) cuts into material without the need for a nut/pre-tapped holeApplication Materials: Wood (softwood, hardwood with pilot-hole for dense wood), plastics, thin sheet materials, composite materials (depending on thickness), light metals (where suitable)Typical Use Cases: Carpentry, joinery, furniture assembly, marine-grade fittings, exterior woodwork, cabinetry, plastic/metal panel fixings, general DIY & maintenancePack Quantity: Supplied in packs containing approximately 410 screws, depending on the selected size.