When strength and reliability matter, these screws don’t compromise. Built from hardened steel, JUIDINTO 12.9 grade hex socket screws are engineered for high-stress applications where ordinary fasteners fail. Designed with a smooth button head and precise hex socket, they deliver a secure fit with a clean, professional finish. Ideal for MTB upgrades and mechanical assemblies that demand confidence at every turn.
Key Features
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12.9 grade high-tensile steel for exceptional strength and durability
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Button head design offers a low-profile, smooth appearance
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Precision allen round screw bolt threading for a tight, secure fit
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Compatible with standard hex/Allen keys
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Wide size range: M2, M2.5, M3, M4, M5, M6, M8, M10
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Flexible quantity options from 1 to 50 pieces
Why Choose Our JUIDINTO Button Head Screws
Compared to standard fasteners, these hexagon socket button head screws provide higher load resistance and better wear performance. The 12.9 grade steel ensures long-term reliability, even under vibration and repeated stress. Whether for bikes or machinery, they’re built to last.
Perfect For
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MTB components and bike frame accessories
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Bicycle repairs and upgrades
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Mechanical and automotive assemblies
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DIY engineering and workshop projects
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Applications requiring compact, high-strength fastening
Product Specs
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Brand: JUIDINTO
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Material: High-strength alloy steel
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Grade: 12.9
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Head Type: Button head
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Drive Type: Hex socket
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Sizes: M2–M10
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Quantity Options: 1–50 pcs
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Application: MTB screw bolt and precision fastening
Fasten with Confidence
Upgrade your build with fasteners engineered for performance. Experience the strength, precision, and clean finish JUIDINTO button head screws bring to every project—add them to your toolkit today.















