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Duplex DIN912 Hexagon Socket Head Cap Screws
Duplex DIN912 Hexagon Socket Head Cap Screws Duplex DIN912 Hexagon Socket Head Cap Screws
Duplex DIN912 Hexagon Socket Head Cap Screws Duplex DIN912 Hexagon Socket Head Cap Screws

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Duplex DIN912 Hexagon Socket Head Cap Screws

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  • High-Strength Duplex Steel: Crafted from premium duplex stainless steel, offering exceptional tensile strength and corrosion resistance, ensuring durability even in harsh environments.

  • Precision Engineering: Manufactured to DIN912 standards, guaranteeing consistent threading, accurate dimensions, and reliable fit for critical applications.

  • Versatile Application: Ideal for industrial machinery, automotive, marine, and structural projects where secure fastening is crucial.

  • Smooth Surface Finish: Polished surface provides a sleek, professional look and reduces friction during installation.

  • Enhanced Grip: Hexagon socket design ensures secure tightening with Allen keys, minimizing stripping or slippage.

  • Long-Term Reliability: Resistant to stress corrosion cracking and fatigue, offering extended service life.

  • DIN912

  • HT&FST

  • 2205DIN912M12X60

Size:
Availability:
Quantity:

The Duplex DIN912 Hexagon Socket Head Cap Screws are engineered for professionals who demand strength, precision, and longevity. Each screw combines the robustness of duplex stainless steel with the precision of DIN912 standard threading, delivering unparalleled reliability in demanding environments.

Imagine handling a fastener that feels solid and weighty in your hand, yet smooth to the touch. The polished finish not only exudes quality but also ensures effortless insertion and tightening, reducing installation time. Unlike ordinary screws, these duplex hexagon socket screws resist corrosion from saltwater, chemicals, and extreme temperatures, making them ideal for marine, automotive, and structural applications.

Beyond their mechanical function, these screws convey confidence in every assembly. They reduce the risk of failure under load, providing peace of mind that your connections remain secure. Every detail, from the uniform thread pitch to the precisely milled hexagon socket, speaks to meticulous craftsmanship and engineering integrity.


Key Features & Highlights

  • Duplex Stainless Steel Composition: Offers a perfect balance between high strength and corrosion resistance.

  • DIN912 Standard Compliance: Guarantees consistent dimensions and compatibility across industrial standards.

  • Hexagon Socket Head Design: Enables precise torque application, reducing wear on tools and screws.

  • Smooth Polished Surface: Enhances appearance, reduces friction, and prevents galling.

  • Long Service Life: Resistant to fatigue, stress corrosion, and environmental wear.

  • Versatile Use: Suitable for machinery, construction, automotive, marine, and chemical environments.

  • User-Centric Design: Easy installation, secure fastening, and minimal maintenance requirements.


Durability & Reliability Dimension

  • High Strength Under Pressure: Engineered to withstand extreme mechanical stress without deformation.

  • Corrosion Resistance: Duplex composition ensures resistance to chloride-induced pitting and general corrosion.

  • Fatigue Resistance: Maintains integrity over repeated load cycles.

  • Temperature Tolerance: Performs reliably in both high-heat and sub-zero conditions.


Precision & Compatibility Dimension

  • Thread Accuracy: Each screw meets DIN912 tolerance standards for seamless assembly.

  • Hex Socket Fit: Designed for standardized Allen keys, reducing risk of tool slippage.

  • Dimensional Consistency: Guarantees interchangeability across projects, avoiding mismatch errors.

  • Versatile Sizes: Multiple diameters and lengths support varied industrial and mechanical applications.


Installation & Handling Dimension

  • Smooth Head Finish: Minimizes friction and wear during assembly.

  • Ergonomic Torque Application: Hexagon socket allows controlled torque transfer, protecting both fastener and tool.

  • Reduced Maintenance: Corrosion and fatigue resistance lower the need for frequent replacements.

  • Visual Inspection Friendly: Polished finish and standard markings enable quick verification on site.


Why Choose Us

  • Expert Manufacturing: Decades of experience in fastener production ensure high-quality, reliable products.

  • Strict Quality Control: Each batch undergoes rigorous testing for strength, corrosion, and dimensional accuracy.

  • Customizable Solutions: Sizes, lengths, and packaging options tailored to customer requirements.

  • Global Standards Compliance: DIN912 adherence assures international compatibility.

  • After-Sales Support: Technical assistance and installation guidance available to optimize performance.


FAQ

Q1: What makes duplex stainless steel better than regular stainless steel for screws?
A1: Duplex stainless steel combines high tensile strength with superior corrosion resistance, making it ideal for high-stress and harsh environments.

Q2: Can these screws be used in marine applications?
A2: Yes, duplex stainless steel resists chloride-induced corrosion, making these screws suitable for marine and coastal environments.

Q3: How do I choose the right size?
A3: Sizes range from M2 to M20. Refer to the DIN912 size chart to match your application requirements.

Q4: What tools are recommended for installation?
A4: Standard Allen keys or hex drivers matching the socket size ensure secure and precise installation.

Q5: Are custom lengths or finishes available?
A5: Yes, we offer customization options to meet specific project needs.

Duplex  DIN912 Hexagon Socket Head Cap Screws

Name

Hexagon Socket Head Cap Screws

Standard

DIN912&ISO4762

Size Range

M5-M100

Finish

Bright&Clean

Marking

HT&FST or customization

Material

Duplex 2205 & Super duplex 2507 & S32760

Grade

Grade 80

Certificates

EN10204-3.1B

Non-standards

OEM is available, according to drawing or samples

Samples

Samples available

Package

Bulk in box and then in cartons, then on pallets,

or according to customers' requirement.

Payment T/T,Western Union


Duplex 2205

UNS

ID

JIS

W.Nr

S31803 F51 SUS32953L 1.4462


Chemical composition of stainless steel 2205 bolts

Alloy % Ni Cr Fe Mo N C Mn Si S
P
2205 Min. 4.5
21 Bal 2.5 0.08




Max. 6.5 23 3.5 0.2 0.03 2 1 0.02 0.03


Minimum mechanical properties of duplex stainless steel F51 (S31803/2205/1.4462) nut alloy at room temperature

Tensile strength Rm N/mm2 Yield strength RP0.2 N/mm2 Elongation rate A5% Brinell hardness HB
620 450 25 290

Super Duplex 2507


UNS

ID

AISI/ASTM

W.Nr

S32750 F53 2507 1.4410



Chemical composition of Super Duplex 2507


Alloy % Ni Cr Mo N C Mn Si S P Cu
2507
Min. 6.0 24 3.0 0.24 0.08




Min. 8.0 26 5.0 0.32 0.03 1.2 0.08 0.02 0.035 0.5



Minimum mechanical properties of alloy for Super Duplex 2507 at room temperature


Tensile strength Rm N/mm2 Yield strength RP0.2 N/mm2 Elongation rate A5% Brinell hardness HB
800 550 15 310



Super Duplex S32760

UNS ID W.Nr
S32760 F55 1.4501


Chemical composition of duplex stainless steel F55 (S32760/1.4501) nut

Alloy % Ni Cr Mo N C Mn Si S P Cu W
F55

Min.

6.0 24 3.0 0.2




0.5 0.5
Max. 8.0 26 4.0 0.3 0.03 1.0 1.0 0.01 0.03 1.0 1.0


Minimum mechanical properties of duplex stainless steel F55 (S32760/1.4501) nut alloy at room temperature

Tensile strength

Rm N/mm²

Yield strength

RP0.2 N/mm²

Elongation rate

A5%

820 550 25



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