Grade 5 Hex Cap Screw, Plated

Grade 5 Material Marking

Mechanical PropertiesGrade 5

Chemical PropertiesGrade 5

1. 1. For Grades 5 and 5.1, fasteners, alloy steels, as specified for Grades 8 fasteners, may also be used at the manufacturer's option.
2. 2. When the carbon content in boron steel is less than 0.25% the minimum manganese shall be 0.60%for Grades 5, 5.1, and 5.2 and 0.70% for Grades 8.2.
3. 3. When boron is added the limits shall be 0.0005 % to 0.003 %.
4. 4. For studs only, sulfur content may be 0.13% maximum.

Dimensional SpecificationsGrade 5

1. All dimensions are in inches.
2. Usable thread length for Hex Head Cap Screws under 6 1/4" long can be approximated by the equation THREAD LENGTH = (2 X DIAMETER) + 1/4″