
Steel Three Spot Weld Screw in Automotive Fastener M6 M8. Full Customization Options: Material, size, hardness, head type, and surface treatment can be customized to specific needs. OEM and ODM Services: OEM and ODM services are welcomed; send drawings for detailed discussions. Wide Material Selection: Available in Stainless steel 304/316, carbon steel, alloy steel, aluminum, brass, and Titanium alloys. Comprehensive Hardness Grades: Hardness ranges from 4.8 to 12.9 grade to meet various strength requirements. Diverse Head and Driver Types: Offers flat, oval, truss, button, pan heads with slotted, six-lobe, phillips, and square drivers. Extensive Shank Diameter Range: Shank diameter customizable from M2.5 to M30 to fit various applications. Robust Salt Spray Resistance: Salt spray test duration ranges from 24 hours to 1000 hours depending on surface treatment. Strict Quality Certifications: Certified with ISO9001:2015, IATF16949:2016, and tested by SGS, ELV, ROHS 2.0, and IMDS.