Monster Overview Fix your project right the first time with Bulk M4 Button Head Socket Cap Screws manufactured to the ISO 7380 standard. These screws are produced from high-strength Class 12.9 alloy steel, making them ideal for demanding mechanical and industrial applications where strength and reliability are critical. The low-profile button head design provides a clean finished appearance while maintaining excellent clamping force. These fasteners use a hex socket drive, also commonly referred to as an Allen bolt or hex socket screw, allowing secure installation with standard hex keys. Each screw is finished with Zinc Bake CR+3 plating, providing corrosion protection while remaining RoHS compliant. These screws are widely used in machinery, robotics, automation equipment, electronics assemblies, and general industrial fastening applications. Monster Features High Strength: Manufactured from Class 12.9 alloy steel for demanding industrial applications. Low Profile Head: Button head design provides a smooth, finished appearance. Hex Socket Drive: Internal hex (Allen) drive ensures secure installation. Industrial Standard: Manufactured to ISO 7380 specifications. Corrosion Protection: Zinc Bake CR+3 finish offers corrosion resistance and RoHS compliance. Bulk Availability: Ideal for manufacturing, production assembly, and maintenance operations. Monster Specifications Specification Details Diameter M4 Thread Pitch M4 x 0.70 mm (Metric Coarse) Head Type Button Head Socket Cap Drive Type Hex Socket (Allen Drive) Material Class 12.9 Alloy Steel Finish Zinc Bake CR+3 (RoHS Compliant) Standard ISO 7380 Thread Type Metric Coarse Thread Common Applications Industrial machinery Robotics and automation equipment Electronics and instrumentation assemblies Automotive components Mechanical equipment manufacturing Maintenance and repair operations Order With Confidence Monster Bolts supplies high-quality fasteners trusted by engineers, mechanics, manufacturers, and builders. Our bulk fasteners deliver dependable quality, consistent manufacturing standards, and fast shipping from the USA.