Unalloyed steels
Decarburization
Tensile strength
Mechanical properties of materials
Fasteners
Screws (bolts)
Chemical composition
Approval testing
Thread pitch
Yield stress
Dimensions
Specimen preparation
Physical properties of materials
Compositional tolerances
Test equipment
Impact testing
Testing conditions
Angles (geometry)
Hardness
External-thread fasteners
Alloy steels
Hardness testing
Studs (fasteners)
Surface properties
Dimensional changes
Bolts
Tempering
Designations
Symbols
Marking
Elongation at fracture
Temperature
Steels
Test specimens
Tensile testing
Mechanical testing
Proof loading