M8 (10mm) x 150mm Socket Cap Shoulder Screw, Self-Colour, Grade 12.9, ISO 7379 50mm Double Countersunk Head with Ribs:

Double Countersunk Head with Ribs: Provides a flush finish while reducing material splitting

This ensures better wear resistance

M30 socket cap head screw specification:

Diameter (D): 31mm

M8 (10mm) x 150mm Socket Cap Shoulder Screw, Self-Colour, Grade 12.9, ISO 7379 50mm Double Countersunk Head with Ribs:High Strength Shoulder Bolt The M8 x 150mm socket shoulder screw is a precision fastener designed for accurate positioning, smooth rotation, and high load applications. Consisting of a socket cap head, an enlarged unthreaded shoulder section, and a threaded lower section. The shoulder on this shoulder bolt can function as a dowel, pivot, or axle, allowing movement to occur around it. Manufactured from grade 12. 9 high tensile steel, this shoulder