The Stainless Steel Thread Hex Cap is a durable, user-friendly component designed to seal the ends of threaded piping systems, balancing leak-proof performance with easy maintenance. Manufactured from top-tier SS304, SS316, SS304L, or SS316L stainless steel, this hex cap features precision-engineered threads (compatible with NPT, BSPT, BSPP, and DIN standards) and a hexagonal design for tool-free installation/removal. Rated for 150# pressure, it caters to diverse applications—from construction and water treatment to medical equipment and chemical plants. Unlike permanent blind plates, the hex cap is fully detachable, making it perfect for systems requiring periodic inspection or modification. Available in sizes 1/8" to 4" (DN6 to DN100), it combines corrosion resistance, structural strength, and versatility to meet industrial and commercial piping needs.
Pickling, polished or passivated (enhances corrosion resistance)
Applicable Medium
Water, Oil, Gas, Acid, and other industrial/media
Marking Options
Logo + Size + Material (custom customer LOGO available)
Packing Configuration
Plastic bags + Cartons + Wooden Case or Pallet
HS Code
7307220000
Key Features & User Benefits
Hexagonal Design for Easy Operation
Feature: Standard hexagonal head compatible with common wrenches.
User Benefit: Enables quick tightening and loosening without specialized tools, reducing installation time and maintenance effort.
Precision Threads for Leak-Proof Seals
Feature: Conforms to international thread standards (NPT, BSPT, BSPP, DIN259/2999) for a secure fit.
User Benefit: Prevents leaks of water, oil, gas, or acidic media, protecting equipment and ensuring operational safety.
Investment Casting & CNC Machining
Feature: Investment-cast body with CNC lathe processing for dimensional accuracy.
User Benefit: Ensures consistent performance and compatibility with threaded pipes, minimizing fitting errors.
Superior Corrosion Resistance
Feature: SS304/316/304L/316L materials with pickling/passivation treatment.
User Benefit: Withstands harsh industrial environments (chemical exposure, moisture) and extends service life, reducing replacement costs.
Quality Assurance & Certifications
Every Stainless Steel Thread Hex Cap undergoes strict quality control across the production cycle—from raw material inspection to final product testing. We hold:
ISO 9001:2015 and GB/T19001-2016 certifications
CE certification
EN 10204/3.1B-Material Test Certificate (MTC)
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report
Our quality control process includes checks for thread precision, material composition, surface finish, and pressure resistance. A 1-year warranty covers all manufacturing defects, with prompt resolution for customer concerns.
Customization & Order Details
Customization Options
OEM Services: Accept custom designs based on customer drawings or specifications.
Marking: Customize with your brand logo, size, or material information.
Surface Treatment: Choose between pickling, polishing, or passivation based on application needs.
Order & Shipping Information
Free Samples: Available for standard sizes (contact us to request)
Minimum Order Quantity: 1 unit (bulk discounts for large orders)
Shipping Terms: EXW, FOB, CFR, CIF, DDP, DDU (sea, air, or express delivery)
Payment Methods: 30% TT Advance + 70% TT Before Delivery, Western Union, PayPal, etc.
Hot Tags: Stainless Steel Hex Cap, Stainless Steel Threaded Cap, Hex Cap Screws Stainless Steel, Stainless Steel Thread Hex Cap
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