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Dongguan Situo Hardware Products Technology Co., Ltd
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Black zinc plated hexagonal nuts, draft beer mechanical parts, CNC machining service

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Black zinc plated hexagonal nuts, draft beer mechanical parts, CNC machining service

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durability : yes

origin : china

size : 10.0-30.0mm

Material : carbon steel

Category : nut

Precision : Min0.001

head shape : Customized

Components Included : Tap faucet, beer shank, coupler, regulator, beer line, gas line, clamps, drip tray, keg coupler

Length : 6 inches

Surface treatment : zinc plating-black

Sample period : 10 to 15 days

Compatibility : Universal for standard draft beer systems

Material grade : 1045

Usage : For home or commercial draft beer dispensing

packing : carton

Brand Name : SITUO

Model Number : ST-140004

Certification : ISO9001 & TS16949

Place of Origin : GuangDong Dongguan

MOQ : 1PCS

Price : 5-10 USD per item

Payment Terms : T/T

Supply Ability : 10000PCS per day

Delivery Time : Communication

Packaging Details : Communication

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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
Standard & Compatibility Interchangeability, compatibility GB/T 6170 (Type 1), GB/T 6175 (Type 2), sizes M6-M24
Processing & Application Guidelines
  • Processing Control: Precision thread turning, deburring, heat treatment to prevent hydrogen embrittlement
  • Installation Specification: Clean threads, diagonal step-by-step tightening, specified torque application
  • Maintenance & Corrosion Protection: Regular inspection, timely replacement, passivation for high-humidity environments
Selection Guide
  • Small/Household Dispensing Equipment: 304 stainless steel A2-70, GB/T 6170, M6-M12 with EPDM gaskets
  • Commercial Brewing/High-Pressure Pipeline: 316L stainless steel A2-70/A4-80, GB/T 6175, M10-M20 locking design
  • 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.
Main Products:
Stainless steel screws, carbon steel screws, pins, rivets, nuts, eccentric nails, embedded parts, fasteners
Services:
CNC Machining, Turning and Milling, CNC Turning, Cold heading, Stamping, Assembly
Materials:
Aluminum, Stainless Steel, Steel, Alloy Steel, Titanium, Brass, Copper, Bronze, Magnesium, Plastics
Finishes:
Sandblasting, Anodizing, Blackening, Zinc/Nickel Plating, Polishing, Powder Coating, Passivation, PVD, Electroplating
Tolerance:
±0.01mm to ±0.05mm
Surface Roughness:
Ra 0.1~3.2
Quality Assurance
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.
Product Gallery
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Product Tags:

Connector Hardware

      

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Precision Hardware

      
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