Nom size M4 : Pitch Coarse=0.7 d=4 s=10 t No.2=6 No.3=8 K=0.8 L=12-40, Nom size M5 : Pitch Coarse=0.8 d=5 s=12 t No.2=7 No.3=10 K=0.8 L=12-45, Nom size M8 : Pitch Coarse=1 d=6 s=14 t No.2=8 No.3=12 K=1 L=12-50, Nom size M10 : Pitch Coarse=1.5 Fine=1.25 d=10 s=20 t No.1=12 No.2=15 No.3=20 K=1.5 L=16-100, Nom size M12 : Pitch Coarse=1.75 Fine=1.75 d=12 s=22 t No.1=15 No.2=18 No.3=24 K=2 L=20-100, Nom size M16 : Pitch Coarse=2 Fine=1.5 d=16 s=28 t No.1=20 No.2=24 No.3=32 K=2 L=32-100, Nom size M20 : Pitch Coarse=2.5 Fine=1.5 d=20 s=32 t No.1=25 No.2=30 No.3=40 K=2.5 L=32-160 How to order CODE 691501 Name Stud bolt, Material, Nominal size & thread, Length