MediumStrength Metric Class Steel SquareNeck Carriage Bolts Fully Threaded Partially Threaded These Class 8 8 steel bolts are suitable for fastening most machinery and equipment A square neck keeps them from turning when tightening a nut A smooth, rounded head provides a finished look Length is measured from under the headEnglish/ metric bolt substitution table equivalent metric bolt substitution – astm grade bolt sizes f 568 class 46 f 568 class f 5 class 8 f 568 class 98 f 568 class 109 a 325m type 1 or 2 a 325m type metric english 3 (mm) (inches) hole diam (mm) english astm grade specified a 449 type 1 a 354 grade bdHigh Strength Friction Grip Bolts, Nuts and Washers Manufactured to AS 1252 19 Dimensions AS 1252 1996 Mechcanical Properties Material Class High Tensile BOLT & NUT AF (MM) HARDNESS M16 27MM BOLT & NUT 23 36 HRC M 32MM WASHER 26 45 HRC M24 41MM M30 50MM BOLT TENSILE 0 MPA M36 60MM
Fastenerdata Metric Coarse Socket Countersunk Screw Grade 8 8 Din7991 Metric Coarse Countersunk Screw Socket Screws Dimensions Fastener Specifications
