Product Description
Socket Shoulder Bolts in sizes of Metric Coarse Thread M8 (8mm)12.9 Grade High Tensile Steel.
These are an ISO 7379.
Bolt dimensions example --
For example 10mm - M8 x 20mm
First size refers to the ground diameter i.e. 10mm
Second size refers to the thread diameter i.e. M8
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.
M8 Thread Size - M8 (8mm)
Thread Pitch - 1.25mm
Head Diameter - 14mm
Head Height - 7mm
Allen Key Size - 5mm
