Mandatory marks on the bolt head (raised or recessed):
The "" represents 1/100th of the minimum tensile strength in MPa (1000 MPa). Jis B 1051 Standard Pdf
For each property class, JIS B 1051 specifies: Mandatory marks on the bolt head (raised or
The percentage the bolt stretches before failing, indicating its ductility. Where to Obtain the JIS B 1051 Standard PDF Jis B 1051 Standard Pdf
Comprehensive tables covering:
The primary function of JIS B 1051 is to ensure that threaded fasteners can withstand the physical stresses required by their specific applications. The standard covers fasteners with metric coarse and fine pitch threads, ranging from nominal diameters M1.6 to M39.