Brief introduction： Head, Nozzle Basic parameters： Material: SKD61、38CrMoAL、42CrMo Process: Inner bore Chrome plating, gas nitriding, quenching, inner bore coating Type: Pneumatic needle-type shut off nozzle/hydraulic hybrid shut off nozzle/static mixing nozzle Filter hole diameter: 0.8mm minimally Inner hole finish Ra : 0.2≤Ra≤0.4 (special order is needed for Ra below 0.2) Scope of application： Composition and process：
https://www.huaye-group.com/head-nozzle-bolts-nuts/