Thread nominal diameter: M24, standard coarse thread pitch P=3mm, thread tolerance class 6g
Nominal overall length: 65mm (shank length under cylinder head)
Cylinder head outer diameter dk max: 36mm; Head height k max: 24mm
Inner hex drive opposite side width s=19mm, matching 19# Allen hex wrench
Threaded segment length b=60mm (semi-thread design for heavy load positioning)
Fillet radius r≥0.8mm for stress relief
