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Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated

Ningbo Yinzhou Sokun Import and Export Co., Ltd.
  • Audited Supplier
  • 2 yrs
Transactions: US$60,000+

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Product Highlights

  • OEM/ODM Customization: Full flexibility on diameter, length, thread type and coating specifications.
  • High-Strength Grades: Available in grades 4.8, 6.8, 8.8, 10.9, and 12.9 for structural applications.
  • Cold Forged Precision: Consistent head geometry and enhanced tensile strength via controlled cold forging.
  • Red Oxide Coating: Provides reliable rust protection and enhances visual identification in moderate corrosion.
  • Mixed SKU Support: Supports trial orders and mixed SKUs for diverse engineering project needs.
  • ISO 9001 Certified: Quality system certified with 100% in-process inspection for accuracy.
  • Wide Size Range: Capable of producing sizes from M1 to M100 across imperial and metric standards.
  • Fast Response Time: Technical feedback or quotation provided within 24 hours of receiving requirements.

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Optional pre-shipment inspection for quality and quantity checks.
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Product Images of Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated

Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated pictures & photos
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
  • Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
    Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated

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Product Description

Highlights at a glance
·Finished Hexagon Head Bolts – High-Strength Structural Fasteners for Industrial Use
·OEM/ODM Customization Available: Precisely manufactured to CNS 3121 / ISO 4014 standards, with full flexibility on diameter, length, thread type and red oxide coating specification
·Cold Forged Precision: Consistent head geometry, accurate threading and enhanced tensile strength via controlled cold forging of high-grade carbon steel
·Red Oxide Coating: Provides reliable rust protection for structural steel applications in moderate-corrosion environments; enhances visual identification and thread lubricity
·Rigorous QC & Global Supply: 100% in-process inspection (thread fit, hardness, surface finish); supports trial orders, mixed SKUs and stable export-ready delivery
Product Description
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Competitive advantages
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
About this supplier
Ningbo Yinzhou Sokun Import And Export Co., Ltd.
Your Trusted Global Partner for Premier OEM Fasteners and Custom Industrial Solutions
Established in 2010, Sokun has evolved into a leading global manufacturer dedicated to providing high-quality fasteners and industrial components at competitive prices. With over a decade of industry experience and a state-of-the-art production facility, we specialize in delivering both standard and non-standard solutions tailored to the rigorous demands of clients worldwide.
Our Expertise and Capabilities We are a vertically integrated manufacturer covering production, plating/finishing, and global export. Our extensive product capabilities meet both imperial and metric standards across a wide range of sizes (M1 to M100) and grades (4.8, 6.8, 8.8, 10.9, 12.9).
Our core manufacturing competencies include:
Standard Fasteners: Screws, Nuts, Washers, Anchors, Pins, Keys, Threaded Rods, and Socket Screws.
Materials & Finishes: High-grade Stainless Steel, Carbon Steel, with durable Zinc, Plain, and Galvanized finishing options.
Customization and R&D Strengths (Made-to-Order) What differentiates Sokun is our robust OEM/ODM capability. We operate primarily on a made-to-order basis, ensuring every batch is freshly manufactured to your exact specifications. Backed by a dedicated in-house R&D department and design team, we excel at engineering specially designed fasteners for unique project needs. If the specific product you require isn't standard, our experienced sales engineers will work with you to manufacture it.
Reliable Production and Service We understand that project success relies on component caliber and timely delivery. Through efficient production management, we ensure reliable delivery times for production orders (typically 30-40 days). We are committed to providing extensive cost savings and supply chain security for our customers through consistent quality and dependable lead times.
Production workflow
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Customization capabilities
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Packing & Delivery
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Company Profile
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
Finished Hexagon Head Bolt Cns 3121 ISO 4014 Red Oxide Coated
FAQ
Do you support custom and non-standard fasteners?
Yes. We specialize in non-standard fasteners manufactured according to drawings, samples, or technical requirements, with tolerance control applied.

Can you supply mixed fasteners based on a BOM or item list?
Yes. We are experienced in handling mixed fastener lists for engineering and project orders.Different items can be combined in one order and one shipment.

What information is required for quotation?
You can send us your BOM list, drawings (PDF / CAD / STEP), or samples.We review items one by one and provide a clear quotation.

Do you accept small or medium batch orders?
Yes. We support prototype, small and medium batch production, especially for custom and non-standard fasteners.

How do you ensure quality for mixed and custom orders?
Each item is inspected during production and before packing.Our quality system ensures accuracy and consistency for mixed fastener orders.

Can fasteners be packed separately with clear labels?
Yes. Fasteners can be packed by item, size, or project, with clear labeling for easy identification and site use.

Do you provide material certificates or inspection records?
Yes. Material certificates and inspection records are available upon request. Our quality system is ISO 9001 certified.

How soon can you respond after receiving our list or drawings?
We usually respond with technical feedback or quotation within 24 hours after receiving your information.

About the Supplier

This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263105". Items marked "verified" are certified.

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Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.
Ningbo Yinzhou Sokun Import and Export Co., Ltd.

About Our Factory & Business Background

verified Business Type
Manufacturer/Factory & Trading Company
Address
Yinzhou District, Ningbo, Zhejiang, China
verified Plant Area
1927 square meters
verified Number of Employees
41
verified Terms of Payment
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
verified International Commercial Terms(Incoterms)
FOB, CIF, CFR, EXW
verified Average Lead Time
Peak Season Lead Time: one month, 1-3 months
Off Season Lead Time: one month
verified Nearest Port
Shanghai Port, Ningbo Port
verified Minimum Order Quantity
1 Kg
verified Supply Chain Partners
213

Our Production Capability & Technical Expertise

verified Main Products
Screw, Bolt, Washer, Nut, Threaded Rod
verified Production Lines
1
verified Production Machines
Punching Machine, Riveting Machine, Thread Rolling Machine, Bench Lathe, Laser Marking Machine
verified Customization Options
Flexible customization, Customization from Samples, Customization from Designs, Full Customization
verified ODM Service Available
Yes
verified Own Brand
Yes

Our Industry Experience & Global Business Record

verified Year of Establishment
2010-02-10
verified Export Year
15 Years
verified Main Markets
North America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
verified Repeat Buyers Choice
50%~80%
verified Number of Foreign Trading Staff
17
verified Overseas Agent/Branch
No

Our Certifications, Standards & Industry Recognition

verified Cooperated with Fortune 500
No

FAQ

Do you support custom and non-standard fasteners?
Yes. We specialize in non-standard fasteners manufactured according to drawings, samples, or technical requirements, with tolerance control applied.
Can you supply mixed fasteners based on a BOM or item list?
Yes. We are experienced in handling mixed fastener lists for engineering and project orders. Different items can be combined in one order and one shipment.
What information is required for quotation?
You can send us your BOM list, drawings (PDF / CAD / STEP), or samples. We review items one by one and provide a clear quotation.
Do you accept small or medium batch orders?
Yes. We support prototype, small and medium batch production, especially for custom and non-standard fasteners.
How do you ensure quality for mixed and custom orders?
Each item is inspected during production and before packing. Our quality system ensures accuracy and consistency for mixed fastener orders.
Can fasteners be packed separately with clear labels?
Yes. Fasteners can be packed by item, size, or project, with clear labeling for easy identification and site use.
Do you provide material certificates or inspection records?
Yes. Material certificates and inspection records are available upon request. Our quality system is ISO 9001 certified.
How soon can you respond after receiving our list or drawings?
We usually respond with technical feedback or quotation within 24 hours after receiving your information.

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