Fastener Standards and Guidelines

American Fastener Technologies Corporation is pleased to present you with these useful standards and guidelines for nuts, bolts, and other fasteners. For more information on these and other guidelines, please phone us at 1-800-466-9780.

• Proper Drill Bit Size for Drilling Pilot Holes & Shank Holes
• ASTM, SAE And ISO Grade Markings and Mechanical Properties for Steel Fasteners
• Heat-Treated Alloy Studs, Bolts, and Threaded Bars
• Mechanical Requirements for Stainless Steel & Non-Ferrous Fastener
• Metric: Sockets, Bolts, Screws, Nuts
• Tap and Drill Size Chart
• Thread Terminology
• Types of Studs