Din 76-a Pdf Exclusive Access
DIN 76-1 defines the shapes and dimensions of thread undercuts. The "Type A" designation specifically refers to the standard undercut for external metric threads. Why Use an Undercut?
Tools like SolidWorks, McMaster-Carr, and TraceParts often have DIN 76-A geometries pre-configured in their fastener libraries. din 76-a pdf
It allows the bolt head or nut to sit flush against the workpiece. DIN 76-1 defines the shapes and dimensions of
Standard undercut for external threads (normal depth). din 76-a pdf