Tube piston rod thread f1 force
12 4 M4/m3 10-200 n
15 6 M6 40-400 n
18 8 M6/m8 50-600 n
19 8 M6/m8 50-750 n
22 10 M8 100-1500 n
25 10/12 M8 100-2000 n
27 10/12 M10 100-3000 n
28 12/14 M10 100-3000 n
By carton, each adjustable gas spring with water-proof plastic bag.