Product Overview
This precision stainless steel fitting is expertly machined from 0Cr18Ni9 (304 equivalent) bar stock in compliance with GB/T1220-2007 Stainless Steel Bars standards. Designed as a cone shaped plug, it provides a secure, leak-free seal for demanding industrial applications. Ideal for hydraulic, pneumatic, and instrumentation systems, this component ensures reliable threaded connections and smooth sealing surfaces for optimal performance.
Material & Construction
Material: 0Cr18Ni9 stainless steel (304 equivalent), sourced and processed per GB/T1220-2007
Form: Machined from solid bar stock for consistent mechanical properties
Surface Condition: Burrs fully removed; edges chamfered to C0.1 (unless otherwise specified)
Functional Surfaces: Critical areas polished to Ra 0.8 for optimal sealing and assembly
The cone shaped plug design combined with corrosion-resistant material guarantees durability under mechanical stress, moisture, chemical exposure, or fluctuating temperatures.
Dimensions & Thread Specification
Overall Height: 20 mm
External Thread: M14 × 1.5, 6g tolerance class
Hexagon Base: Strong wrench engagement for easy installation
Internal Profile: Smoothly machined inner cavity for stable fluid or gas flow
All dimensions are CNC-controlled to ensure thread accuracy, proper fitment, and consistent quality across production batches.
Manufacturing Quality & Finishing
Multi-axis CNC turning and milling for tight tolerances and precise geometry
Uniform machining marks and smooth transitions
Leak-free thread accuracy for critical connections
Polished sealing surfaces (Ra 0.8)
Strict burr removal to prevent assembly damage or contamination
Each part undergoes visual and dimensional inspection before packaging
Applications
This industrial threaded connector and cone shaped plug is ideal for:
Hydraulic and pneumatic systems
Instrumentation assemblies
Laboratory and analytical equipment
Mechanical connectors in industrial machinery
Fluid distribution systems requiring corrosion-resistant fittings
Custom engineering projects needing precision stainless steel fittings
Customization Options
Alternative stainless steel grades: 304, 316L, 321, etc.
Modified thread types: Metric, NPT, UNF, G, and more
Different heights or hex sizes
Enhanced polishing or surface treatments
Small-batch prototyping or mass production
FAQ
Q: What material is used for these cone shaped plugs, and is it corrosion-resistant?
A: These plugs are made from 0Cr18Ni9 stainless steel (equivalent to 304), compliant with GB/T1220-2007. The material offers excellent corrosion resistance, durability under mechanical load, and stability in hydraulic, pneumatic, or fluid distribution applications.
Q: What are the exact dimensions and thread specifications?
A: External Thread: M14 × 1.5, 6g tolerance class
Overall Height: 20 mm
Hexagon Base: For easy wrench installation
All parts are precision CNC machined for consistent thread accuracy and proper fitment across production batches.
Q: Can these cone shaped plugs be customized for different applications?
A: Yes, we can provide customization options including:
Alternative stainless steel grades (304, 316L, 321, etc.)
Different thread types (Metric, NPT, UNF, G)
Various heights, hex sizes, and surface treatments
Small-batch prototyping or mass production
Q: Are these fittings suitable for high-pressure or hydraulic systems?
A: Yes, the precision-machined threads and polished sealing surfaces (Ra 0.8) ensure leak-free connections, making them suitable for hydraulic, pneumatic, and industrial fluid systems requiring reliable performance under pressure.
Q: How is the quality controlled, and what inspection is done before shipping?
A: Each cone shaped plug undergoes:
Multi-axis CNC machining for tight tolerances and precise geometry
Burr removal and edge chamfering to C0.1
Surface polishing on sealing areas
Visual and dimensional inspection
This ensures consistent quality, proper fit, and reliable sealing before packaging.
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