ISO 7380-2 10.9 Grade High Tensile Black Carbon Steel Button Head Hex Socket Screw with Flange M5 M6 M8 Collared Bolt

High-tensile ISO 7380-2 M5-M8 flanged button head hex socket screws, 10.9 grade carbon steel, anti-loose, no washer needed. Ideal for 3D printers, RC drones, automotive, and furniture.

• High-strength 10.9 Grade Carbon Steel Engineered with 10.9 High Tensile Steel, these screws deliver exceptional strength and durability for demanding applications in 3D printing, automotive, and RC drones.

• Complies with ISO 7380-2 & DIN 9427 Standards Manufactured to meet ISO 7380-2 / DIN 9427 standards, ensuring consistent quality, precise fit, and reliable performance across industrial and DIY projects.

• Flanged Button Head with Integrated Collar Features a Flanged Button Head  design with a built-in collar for even load distribution and enhanced stability, reducing the risk of loosening under vibration.

• Hex Socket Drive for Precision Tightening Equipped with Hex Socket  drive, these machine screws allow for precise torque application and secure fastening with standard hex keys or drivers.

• No Washer Needed – Integrated Gasket Design The integrated gasket eliminates the need for an additional washer, simplifying assembly and improving sealing performance in sensitive applications.

• Anti-Loose Feature for Reliable Performance Designed with an anti-loose mechanism, these screws maintain tight connections in dynamic environments like RC drones and 3D printers, minimizing vibration-induced loosening.

• Multiple Sizes Available – Sold by Piece Offered in various sizes including M5x8 to M8x30, each pack contains 1 piece, ideal for targeted repairs, upgrades, or small-scale DIY metalworking projects.

Product Description

Premium ISO 7380-2 Grade 10.9 Black Carbon Steel Flanged Button Head Hex Socket Screws

Upgrade your fastening solutions with our high-strength ISO 7380-2 flanged screws. Engineered for durability and precision, these bolts are perfect for industrial, automotive, and DIY projects where reliability is non-negotiable.

【Key Features】

🚀 High Tensile Strength (Grade 10.9): Crafted from premium alloy steel, these screws offer superior load-bearing capacity and tensile strength compared to standard 8.8 grade bolts.

🛠️ Integrated Flange Design: The built-in washer (flange) increases the bearing surface, distributing pressure more evenly and eliminating the need for separate washers.

🛡️ Durable Black Oxide Finish: Provides basic corrosion resistance and a sleek, professional black appearance that blends perfectly with machinery and dark-colored frames.

🎯 Precision Engineering: Standard ISO 7380-2 dimensions ensure a perfect fit with your internal hex drive tools (Allen keys), preventing stripping.

【Specifications】

Standard: ISO 7380-2 (Button Head with Collar)

Material: High Tensile Carbon Steel (Grade 10.9)

Surface Treatment: Black Oxide (Friction-resistant & anti-rust)

Drive Type: Hex Socket (Internal Hex)

Available Sizes: M5, M6, M8 (Full range of lengths available)

Thread Type: Metric Coarse Thread (Standard)

【Common Applications】

3D Printers & CNC Machines: Low-profile head design ideal for tight spaces.

Automotive & Motorcycles: High-strength connection for fairings and engine components.

Robotics & RC Gear: Reliable fastening for high-vibration environments.

Furniture & DIY: Clean, professional look for modern builds.

【Package Content】

Items are packed in high-quality polybags or plastic boxes to ensure they arrive in perfect condition.

(Note: Please select the required size and quantity from the dropdown menu.)

【Buyer Tips】

Size Check: Please use a caliper to verify the diameter and length before ordering.

Environment: While black oxide provides some protection, for outdoor/wet environments, we recommend checking our Stainless Steel series.

Support: Need a bulk order or custom sizes? Contact our customer service for a special discount!