Black M3-M20 grade 8.8 steel hex socket head screw with a hexagonal head.
Two black internal hexagonal socket Allen drive screws shown side by side.
A close-up view of a black hex socket head screw made of heat-treated carbon steel.
A black standard metric thread screw is shown with a detached head and the full threaded body.
Diagram showing various sizes of hex socket head screws with dimensions for different grades
Diagram showing various industrial scenarios including automated manufacturing lines and precision machinery.
A close-up view of an M3-M20 hexagon socket head screw and its corresponding head cap screw, shown against a blurred backgrou
Image showing various sizes and types of black hex socket head screws made of carbon steel with detailed views.
Diagram showing various sizes of hex socket head screws with corresponding dimensions for diameter length and pitch
Three black hex socket head screws with threaded shafts displayed against a white background.
Factory photo showing machinery and finished hex socket head screws made of carbon steel.
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Hex Socket Head Screws, Carbon Steel

2 avis
Prix habituel €21,99 Prix réduit €18,99

These high-strength carbon steel hex socket screws are the reliable fastening solution for mechanical assemblies and DIY projects. Each black-plated screw delivers a durable, corrosion-resistant finish with an 8.8 grade rating, ensuring...

70mm
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Pourquoi les clients l’adorent

Precision fastening for builds that demand strength

These 8.8 grade carbon steel hex socket screws deliver a secure, corrosion-resistant hold for mechanical assemblies and DIY projects. The black-plated finish and precision threading ensure reliable performance across a range of applications.

  • 8.8 grade carbon steel for robust load-bearing strength
  • Black-plated surface offers a sleek look and enhanced rust resistance
  • Hex socket drive allows for easy, secure tightening with common tools
  • Smooth hex head design minimizes snagging in tight spaces
  • Precision-threaded for consistent fit and reliable engagement
  • Conforms to GB70 standards for industry-standard dimensions
Black M3-M20 grade 8.8 steel hex socket head screw with a hexagonal head.

Built for dependable performance

Robust strength

Made from 8.8 grade carbon steel, these screws provide robust load-bearing strength for demanding mechanical assemblies.

Corrosion-resistant finish

The black-plated surface offers a sleek look and enhanced rust resistance, keeping your fasteners looking good and performing reliably.

Easy, secure tightening

The hex socket drive allows for easy, secure tightening with common tools, while the smooth hex head minimizes snagging in tight spaces.

Consistent fit

Precision-threaded for consistent fit and reliable engagement, these screws conform to GB70 standards for industry-standard dimensions.

Spécifications

Les détails qui comptent

Material
Carbon steel
Grade
8.8
Finish
Black-plated
Standard
GB70
Thread sizes
M3, M4, M5, M6, M8, M10, M12

Plus de détails

These high-strength carbon steel hex socket screws are the reliable fastening solution for mechanical assemblies and DIY projects. Each black-plated screw delivers a durable, corrosion-resistant finish with an 8.8 grade rating, ensuring a secure hold for applications that demand dependable performance.

  • Made from 8.8 grade carbon steel for robust load-bearing strength
  • Black-plated surface offers a sleek look and enhanced rust resistance
  • Hex socket drive allows for easy, secure tightening with common tools
  • Smooth hex head design minimizes snagging in tight spaces
  • Precision-threaded for consistent fit and reliable engagement
  • Conforms to GB70 standards for industry-standard dimensions
  • Available in a range of sizes (M3 to M12) to suit various project needs

Ideal for automotive maintenance, equipment repair, and a wide range of building or restoration tasks.

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V
Vince Sauer

All right, nice seller.

Vince Sauer review photo
C
Cheri Gutkowski

Thanks