Piston Nuts ApparatenbouwProduct: Piston Nut 3.1/2″-8UN x 85Material: X39CrMo171 (1.4122) / niflonated coatedDesciption: This product is used in one off worlds biggest Reciprocating compressors. SkillsPosted on10 June 2021 ← Tie Bolt M110 with Roller Burnished shaft Twist Screws →