5/16"-24 UNF Socket Button Head Bolts, Allen Key Drive, A2 Stainless Steel, 1/2" to 11/2" Long (10, 5/16 X 1")

• Thread Specification: 5/16"-24 UNF (Unified National Fine) thread with 5/16" diameter, providing secure fastening for precision applications
• Drive Type: Allen key (hex socket) drive in socket dome button head design for a low-profile finish and easy installation with hex keys
• Material Construction: Manufactured from A2 grade stainless steel offering excellent corrosion resistance and durability for indoor and outdoor use
• Length Options: Available in lengths ranging from 1/2" to 1 1/2" (approximately 13mm to 38mm) to suit various assembly requirements
• Application: Ideal for machinery, furniture assembly, electronics, and general engineering projects requiring smooth, rounded head fasteners

These 5/16"-24 UNF socket button head bolts are precision-engineered fasteners designed for applications requiring a low-profile, aesthetically pleasing finish. Manufactured from A2 stainless steel, these bolts offer excellent corrosion resistance and durability, making them suitable for both indoor and outdoor use. The socket button head design features a smooth, domed top that sits flush or slightly raised above the surface, providing a clean, professional appearance whilst reducing snagging hazards. Each bolt is equipped with an Allen key drive (also known as a hex socket), allowing for secure tightening with standard Allen keys or hex drivers. Available in lengths ranging from 13mm to 38mm (1/2" to 1 1/2"), these fasteners accommodate various material thicknesses and assembly requirements. The 5/16"-24 thread specification (approximately 7.93 mm diameter) with Unified National Fine (UNF) threading provides superior holding strength and vibration resistance compared to coarse threads. The A2 grade stainless steel construction ensures reliable performance in moisture-prone environments whilst maintaining structural integrity under load. These versatile bolts are ideal for machinery assembly, automotive applications, electronics enclosures, furniture construction, and general engineering projects where both functionality and appearance matter.