Standard: BS 3692 (British Standard for precision hexagon bolts, screws, and nuts)
Thread Size: M12 (Metric thread, 12 mm nominal diameter)
Thread Pitch (Coarse): 1.75 mm (fine pitch versions like M12×1.5 or M12×1.25 also available)
Thread Type: ISO metric, 60° thread angle
Bolt Types Covered: Hex bolts, hex screws, set screws
Material Grades: Commonly found in property classes 8.8, 10.9, or stainless steel
Tolerances: External thread tolerance 6g (standard fit per BS 3692)
Head Type: Hexagonal head (BS 3692 standard dimensions)
Applications: Extremely common in structural steel, automotive, mechanical assembly, machinery, and DIY use
M12 Bolt – BS 3692 Standard
