... rod The company specializes in shock absorber piston rod, gas spring piston rod, cylinder piston rod, stampings, bushings, screws, spare parts ... : HRC 62+/-2 3) Max Length: 1000mm 4) Diameter:10mm to 30mm 5) Tolerance: G6,H6,H7 6)Roug hness: Ra ... different specifications.11)My factory usually produce the item according to client sample or drawing.Usage : hydraulic machine, pneumatic machines and ...