Nom size M3 : Pitch=0.5 d1=3 D=5.5 H=2 B=2 C=2.3 L=5-20, Nom size M4 : Pitch=0.7 d1=4 D=7.5 H=2.6 B=2.5 C=2.9 L=6-50, Nom size M5 : Pitch=0.8 d1=5 D=9.5 H=3.4 B=3 C=3.6 L=6-50, Nom size M6 : Pitch=1 d1=6 D=10.5 H=4 B=4 C=4.7 L=8-50, Nom size M8 : Pitch=1.25 d1=8 D=14 H=5 B=5 C=5.9 L=10-50, Nom size M10 : Pitch=1.5 d1=10 D=18 H=6 B=6 C=7.0 L=15-50, Nom size M12 : Pitch=1.75 d1=12 D=21 H=7 B=8 C=9.4 L=20-50, Nom size M16 : Pitch=2 d1=16 D=28 H=8.5 B=10 C=11.7 L=26-60 How to order CODE 690701, Name Button head socket screw, Material, Nominal size & thread, Length