01BUILDING MATERIALS
Precision fastening in matte black
A quiet upgrade for any assembly, these black button head screws bring order to the hardware shelf. Their low domed heads sit flush against surfaces, offering a clean line where standard screws might protrude.
Crafted from high tensile carbon steel, they provide strength and corrosion resistance for projects that demand both durability and a tidy finish. Ideal for makers and DIYers who value precision.


02MATERIALS
High tensile carbon steel core
Forged from 10.9 grade carbon steel, each screw balances rigidity with resilience. This alloy choice improves corrosion resistance, ensuring the fasteners hold their integrity over time. The material provides the necessary strength for structural joins without adding excessive bulk to the component.

04SPECS
Precise metrics for every size
Available in M3, M4, M5, M6, and M8 thread sizes, each option includes specific pitch and head dimensions. For instance, the M8 variant has a 1.25mm pitch and a 17.8mm flange diameter. Screw lengths are measured excluding the head, allowing for accurate depth calculations in your build plans.
IN USE
Secure grip with hex socket drive
Driven by a standard hex key, the socket drive allows for high torque application without slipping. This is particularly useful when tightening fully threaded screws into metal or hard plastics. The consistent engagement ensures the fastener seats firmly, maintaining tension throughout the life of the assembly.
AT A GLANCE
The key points
- 10.9 high tensile carbon steel construction
- Low domed head with wider bearing surface
- Fully threaded shafts from M3 to M8
- Hex socket drive for secure torque
- Pack of five assorted or matching screws
About this product
Feature: Button Head Allen Screws. Manufactured from 10.9 High Tensile carbon steel for improved corrosion resistance. Choose from M3, M4, M5, M6, M8 thread sizes. All screws are fully threaded. Screw lengths do not include the head. The low domed head with a wider bearing surface offer a finished appearance, making them an ideal choice when a neat appearance is desired. Specification:Material: Carbon steel 10.9 TensileScrews Type: Hex Socket Button Head ScrewDrive Type: Hex SocketSize: M3 M4 M5 M6 M8 M3Thread Size – M3 (3mm)Thread Pitch – 0.5mmHead Depth including Flange – 1.65mmFlange Diameter – 6.9mm M4Thread Size – M4 (4mm)Thread Pitch – 0.7mmHead Depth including Flange – 2.2mmFlange Diameter – 9.4mm M5Thread Size – M5 (5mm)Thread Pitch – 0.8mmHead Depth including Flange – 2.75mmFlange Diameter – 11.8mm M6Thread Size – M6 (6mm)Thread Pitch – 1.0mmHead Depth including Flange – 3.3mmFlange Diameter – 13.6mm M8Thread Size – M8 (8mm)Thread Pitch – 1.25mmHead Depth including Flange – 4.4mmFlange Diameter – 17.8mm Package includes: 5× Button Head Screws(According to your choice)
Button Head Allen Screws. Manufactured from 10.9 High Tensile carbon steel for improved corrosion resistance. Choose from M3, M4, M5, M6, M8 thread sizes. All screws are fully threaded, screw lengths do not include the head. The low domed head with a wider bearing surface offer a finished appearance, making them an ideal choice when a neat appearance is desired.















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