Product Description
Socket Shoulder Bolts in sizes of Metric Coarse Thread M5 (5mm)12.9 Grade High Tensile Steel.
These are an ISO 7379.
Bolt dimensions example --
For example 6mm - M5 x 20mm
First size refers to the ground diameter i.e. 6mm
Second size refers to the thread diameter i.e. M5
Third size refers to the length i.e. 20mm. The length is measured from under the head and along the ground part only, it does not include the head or the threaded part.
M5 Thread Size - M5 (5mm)
Thread Pitch - 0.8mm
Head Diameter - 10mm
Head Height - 5mm
Allen Key Size - 3mm