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Product video
Certifications CE

Field-Proven Carbon Steel Hex Flange Bolt M8-M20 10.9 Zinc Plated for Heavy Oilfield Drilling Rig and Derrick

Available for enquiry 0.0 · 0 reviews
USD

$ 20.00 20.0 USD $ 20.00

Not Available For Sale

Minimum order quantity: 1000 Units
  • Material
  • Grade
  • Thread Type
  • Head Type
  • Finish (Specification)
  • Included parts
  • Nuts per bolt
  • Number of nuts
  • Place of origin
  • Model number (Specification)
  • Size
  • Length
  • Surface Treatment
  • MOQ
  • Certificate
  • Payment Method
  • Selling Units
  • Single package size
  • Single gross weight
  • Type (Product option)
  • Bolts length (Product option)
  • Thread size (Product option)
  • Certifications & Compliance

This combination is unavailable.

Key attributes

View all
Material
Stainless Steel, Carbon Steel
Grade
Class 10.9 & 12.9, A2-70 A4-80
Thread Type
Unc
Head Type
Hex Head, full thread hex bolt
Finish (Specification)
Plain
Included parts
Nut
Product description

Highlights at a glance

  • Factory Advantages & Quality Service Direct Manufacturer: 15+ years of specialized experience in high-strength fasteners with ISO 9001:2015 certification. Full OEM/ODM Customization: Custom diameters, lengths, thread lengths, and surface coatings based on your technical drawings. Strict Quality Control: 100% inspection for dimensional accuracy, hardness testing, and tensile strength verification. Large Inventory: Standard sizes (M6-M30) in stock for fast delivery; 7-day rapid prototyping for custom specs. Premium Materials & Strength Grades High-Grade Stainless Steel: SS304, SS316, and A2-70 / A4-80 for superior corrosion resistance in harsh environments. High-Strength Carbon Steel: Available in Grade 8.8, 10.9, and 12.9 with heat treatment for heavy-duty structural applications. Alloy Steel: 35CrMo and 42CrMo for high-temperature and high-pressure industrial equipment. Technical Specifications & Standards Wide Diameter Range: From M3 to M48 (Metric); 1/4" to 2" (Inch) with fine and coarse thread options. Full Thread vs Partial Thread: DIN 933 (full thread) and DIN 931 (partial thread) as standard. Precision Threading: ISO 965 Class 6g tolerance; ANSI B18.2.1 compliant for North American markets. Head Design: Standard Hexagon Head and Heavy Hex Head with precise wrench flats for secure torque application. Advanced Surface Treatment Hot Dip Galvanized (HDG): 50μm+ coating for extreme outdoor durability and 30+ year service life. Zinc Plating & Dacromet: Clear, Yellow, or Black Zinc; Dacromet and Geomet for 500h+ salt spray resistance. Black Oxide & Phosphated: Professional oiled finish for machinery interiors and controlled environments. RoHS & REACH Compliant: All coatings meet international environmental safety standards. Versatile Application Scenarios Steel Structure & Construction Machinery & Heavy Equipment Automotive & Railway Energy & Infrastructure
    • Certifications & compliance
    CE
    Complies with EU standards
    Frequently asked questions

    We have large stock, 3 days for stock items,7-15days for production.

    Yes, we could offer free samples for the items in stock,just need to pay shipping cost. Mold fee is necessary for customized item.

    50% in advance,50% before delivery. 100% in advance if less than USD5000.

    EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP

    Our product range includes screws, nuts, bolts, washers, spring,rivet, anchor and CNC parts.

    We are manufacturer.
    Description images
    Product detail
    Product detail
    Product detail
    CE
    Packaging and fulfilment
    • Step 1

      Payment and order readiness

      Minimum order: 1000 Units

      Payment terms, specifications, and order details are confirmed before preparation begins.

    • Step 2

      Preparation

      7 days

    • Step 3

      Packaging and dispatch

      Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days

      Final packing, freight, and delivery dates are confirmed before dispatch.

    Technical specifications
    Other details 23 fields
    Material
    Stainless Steel, Carbon Steel
    Grade
    Class 10.9 & 12.9, A2-70 A4-80
    Thread Type
    Unc
    Head Type
    Hex Head, full thread hex bolt
    Finish (Specification)
    Plain
    Included parts
    Nut
    Nuts per bolt
    2
    Number of nuts
    2
    Place of origin
    China, Jiangsu
    Model number (Specification)
    DIN6921
    Size
    M3-M24
    Length
    6~100mm
    Surface Treatment
    Zinc Plated
    MOQ
    1000pcs
    Certificate
    ISO9001:2008
    Payment Method
    Online payment
    Selling Units
    Single item
    Single package size
    12.5X10X7 cm
    Single gross weight
    0.300 kg
    Type (Product option)
    Hex Head Bolts
    Bolts length (Product option)
    8 mm, 12 mm, 16mm, 18mm, 20mm, 30 mm, 35 mm, 40 mm, 22 mm, 28mm, 25mm, 45 mm, 50 mm, 60 mm, 70 mm, 90 mm, 80 mm, 100 mm, 75mm, 6 mm, 55mm, 65 mm, 95 mm, 85 mm
    Thread size (Product option)
    M3, M4, M5, M6, M8, M10, M12, M16, M18, M20, M22, M24
    Certifications & Compliance
    CE
    Lead time
    7 days
    Minimum order
    1000 Units

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