DIN966 304 Stainless Steel Cross Recessed Raised Countersunk Head Half Oval Screw Bolt

描述

1.Superior Corrosion Performance – Precision-manufactured from authentic AISI 304 (A2-70) austenitic stainless steel, these DIN966 raised countersunk screws deliver exceptional resistance to moisture, mild acids, alkaline solutions, and atmospheric corrosion. The A2-70 classification guarantees minimum tensile strength of 700 MPa (101,500 PSI) and yield strength of 450 MPa (65,300 PSI) while maintaining excellent ductility. Their non-magnetic properties and temperature resistance from -200°C to 300°C (-328°F to 572°F) ensure reliable performance across diverse environmental conditions. The natural passive oxide layer continuously self-repairs, providing lasting protection without additional coatings or treatments.

2.Versatile Application Spectrum – Ideally suited for applications requiring both flush mounting capabilities and aesthetic appeal, including marine hardware, kitchen and bathroom fixtures, architectural detailing, furniture manufacturing, display cabinets, decorative trims, and high-end consumer products. The raised (half-oval) head profile offers enhanced visual appeal compared to standard flat countersunk screws while still allowing partial countersinking in prepared holes. Particularly valuable in thin material applications where full countersinking might weaken the substrate but a completely protruding head is undesirable.

3.Installation Efficiency – The Phillips cross-recessed drive pattern provides optimal torque transfer with controlled cam-out protection to prevent overtightening damage in softer materials. The distinctive raised countersunk profile reduces material stress during installation while providing improved head strength compared to fully countersunk designs. Precision-rolled threads with chamfered lead-in ensure smooth engagement and reduce installation torque requirements. The partial countersink capability accommodates both prepared countersunk holes and standard clearance holes, offering installation flexibility across various material thicknesses and types.

4.Certified Manufacturing Quality – Produced in ISO 9001-certified facilities to precise DIN966/ISO 2010 dimensional specifications and ISO 3506-1 mechanical requirements for A2-70 grade fasteners. Each production lot undergoes comprehensive testing including material composition verification, dimensional accuracy inspection, drive compatibility validation, and surface finish evaluation. The controlled passivation process maximizes corrosion resistance while maintaining the natural, lustrous appearance characteristic of premium stainless components. Available with full traceability documentation and material certifications for critical applications requiring verification of authentic 304 stainless composition.