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Black Zinc Plated Hexagonal Nuts for Draft Beer Mechanical Parts
Precision CNC machined hex nuts specifically designed for brewing and dispensing equipment, featuring black zinc plating for enhanced corrosion resistance and professional appearance.
Applications in Beer Machine Components
Machined hex nuts serve as core connecting components in beer machines, providing structural fastening, sealing assurance, and positioning installation while balancing strength, hygiene, and corrosion resistance.
Tap/Dispense Tower Assembly: Fixes tap to tower and adjusts outlet direction with gaskets for sealing
Pipeline and Valve System: Fastens sanitary pipe flanges and valve bodies, withstands beer pressure and vibration
Tank and Frame: Secures nozzles, legs, and internal components of fermentation tanks
Coupler and Gas Circuit: Locks CO₂ inlet nozzles and beer check valves, prevents gas leakage
Technical Specifications
Dimension
Core Requirements
Selection & Processing Points
Material & Corrosion Resistance
Food-grade corrosion resistance
316L stainless steel (chloride-ion pitting resistance), 304 for general applications, 904L for highly corrosive conditions
Structure & Precision
Reliable sealing, easy assembly
Hexagonal shape, thread precision 6H/5H, anti-gall design with flat washers/locking parts
Hygiene & Compliance
No residue, easy to clean
Surface roughness Ra ≤ 0.8 μm, compliant with FDA/GB 4806 food contact standards
Mechanical Properties
Vibration resistance, pressure resistance
Property class A2-70 (tensile strength ≥ 700 MPa), thick or locking nuts for high-vibration applications
High Corrosion/Frequent Cleaning: 316L or 904L, Ra ≤ 0.8 μm, electropolished, EHEDG/3A compliant
Manufacturing Capabilities
Advanced Japanese and German CNC equipment including 5-axis and 6-axis machines, maximum processing outer diameter 60mm, minimum control tolerance 0.001mm.
300 employees including 20 technicians, 10 engineers, and 15 quality control personnel. 8S management system with ISO9001 and TS16949 automotive certifications. Complete inspection lab with advanced measurement equipment.
