ANSI ASME B18.3 Specifications - Hex Socket Head Cap Screws - Fuller Fasteners : Fuller Fasteners
1/4-28 x 3 inch UNF Cap Head Screws (ANSI B18.3) - 18-8 / 304 Stainless Steel: Accu.co.uk: Precision Screws
3-48x3/8" 316 SS Socket Head Cap Screws | AFT Fasteners
ASME B18.3-2012: Socket Cap, Shoulder, Set Screws, and Hex Keys (Inch Series): The American Society of Mechanical Engineers, The American Society of Mechanical Engineers: 9780791834831: Amazon.com: Books
ASME B18.3 Hexagon Socket Cap Screw - China Screws, Hexagon Socket Cap Screws | Made-in-China.com