The nomenclature used by each manufacturer to describe the size of the fastener or the hole size it goes into might be confusing when looking at body bolts, sheet metal screws and related U-clips, and even automotive fasteners. Some manufacturers may list a panel fastener as fitting a 1/4″ hole and others will list it as fitting a 6.35mm hole. We created the chart to help make it easier to cross-reference between screw size, inch fractions, decimals, and millimeters. DOWNLOAD PDF: Machine Tools Handbook Design and Operation READ: Tools and Their Uses | Part 1 – SAFETY READ: Complete Guide: Fastener Type Chart READ: EXPLAINING THE MEANING OF GRADE WRITTEN ON BOLT HEAD READ: Rivets – Types, Failures Of Riveted … Continue reading Comparison Chart for Screw Size, Inch Fractions, Decimals, and Millimeters