Monster Overview: Equip your builds with high-strength M12 Flat Head Socket Cap Screws from Monster Bolts. Made from Class 12.9 alloy steel with a durable thermal black oxide finish, these fasteners combine precision fit, high tensile strength, and a professional countersunk appearance. The M8 hex drive provides secure engagement for consistent torque control, while the 90° flat head allows a fully flush surface when installed. Quality & Supply: Every lot meets Monster Bolts’ demanding standards for strength, dimensional accuracy, and finish consistency. Available in both full-thread and partial-thread (PT) variations, these screws are ideal for machinery, automation, and high-load structural use. Monster Features: Flush Countersunk Head: Perfect for assemblies requiring a smooth, snag-free surface. High Strength: Class 12.9 alloy steel provides superior tensile and preload capacity. Precision Drive: M8 hex socket ensures consistent torque and tool engagement. Thermal Black Oxide: Lightly oiled, RoHS-compliant coating provides mild corrosion protection. Standards: Fully compliant with DIN 7991 / ISO 10642 for uniform head geometry and interchangeability. Monster Specifications Feature Details Diameter / Thread M12-1.75 (coarse, standard metric) Drive Size Hex M8 Head Type Flat Head Socket Cap Screw – 90° countersunk profile Material / Grade Black Alloy Steel, Class 12.9 Finish Thermal Black Oxide (light oil; RoHS compliant) System of Measurement Metric Standards DIN 7991 / ISO 10642 Length Measurement: Countersunk screws are measured over their entire length, including the head.Note: “PT” indicates Partial Thread variants. More Monster Bolts: • M8 Hex Keys• Matching M12 Nuts & Washers• All Bulk Metric Flat Head Socket Screws Order Today and Experience the Monster Bolts Difference Buy with confidence — every Monster Bolts bulk order is backed by rigorous inspection, fast fulfillment, and responsive support.MTRs available upon request for unopened factory cartons. Note: Bulk shipping times may vary slightly depending on order size and stock location. Most orders ship within a few business days.