1. LOW-PROFILE BUTTON HEAD FOR TIGHT SPACES Featuring a sleek rounded head with 10.5mm diameter and 3.3mm height, these screws provide a smooth finish while maximizing clearance. The domed design eliminates sharp edges, making them ideal for machinery where safety and space constraints are concerns. 2. HIGH-STRENGTH 10.9 GRADE ALLOY STEEL Manufactured from premium 10.9 grade alloy steel, these screws deliver exceptional tensile strength up to 145,000 PSI. The black oxide finish provides enhanced corrosion resistance for demanding industrial and automotive applications. 3. COMPREHENSIVE M6 SHORT-LENGTH ASSORTMENT This practical assortment covers five essential short sizes: M6x8mm, M6x12mm, M6x16mm, M6x20mm, and M6x25mm. The consistent M6 threading ensures reliable performance in thin materials and precision applications. 4. SECURE 4MM HEX SOCKET DRIVE SYSTEM The 4mm Allen hex drive prevents tool slippage and ensures precise installation. Fully threaded design allows maximum adjustment flexibility and consistent clamping force across electronic, automotive, and machinery applications. 5. 50-PIECE PROFESSIONAL KIT FOR PRECISION WORK Includes 10 pieces of each length (8/12/16/20/25mm), providing ample supply for production runs and maintenance tasks. Perfect for electronics, instruments, and applications requiring shorter fasteners. This 50-piece assortment of M6 button head socket screws combines high-strength construction with a low-profile design for professional-grade fastening solutions. Manufactured from 10.9 grade alloy steel with protective black oxide finish, these screws deliver both superior performance and corrosion resistance in precision applications. Technical Specifications: Material: 10.9 Grade Alloy Steel, Black Oxide Finish Thread Diameter: 6mm with Standard Metric Threading Head Dimensions: 10.5mm Diameter, 3.3mm Height Drive Type: 4mm Hex Socket (Allen Drive) Head Style: Rounded Button Head Profile Available Lengths: 8mm, 12mm, 16mm, 20mm, 25mm (10 pieces each) Performance Advantages: Space-Optimized Design: The low-profile button head provides a smooth, rounded finish that minimizes protrusion while maintaining structural integrity High-Strength Performance: 10.9 grade alloy steel ensures reliable performance in high-stress applications and vibration-prone environments Enhanced Durability: Black oxide finish offers superior resistance to rust and wear compared to standard steel finishes Precision Installation: 4mm hex socket drive allows for accurate torque application and secure fastening in delicate applications Ideal Applications: Precision Instruments and Electronic Enclosures Machinery Components and Automotive Systems Consumer Products and Household Appliances DIY Projects and Model Making General Manufacturing and Maintenance Package Contents: M6 x 8mm: 10 pieces M6 x 12mm: 10 pieces M6 x 16mm: 10 pieces M6 x 20mm: 10 pieces M6 x 25mm: 10 pieces Total: 50 pieces