1- PACKAGE CONTENTS - 40pcs of hex head socket head cap screws, Thread: Partially Threaded; Thread Size: M5-0.8; Thread Length: 35mm/1.38"; Head Diameter: 8.72mm/0.34"; Head Thickness: 5mm/0.2"; Hexagon Width: 4mm; They are a versatile and reliable choice for a wide range of industrial and furniture applications. 2- MATERIAL - carbon steel materials are high in hardness, are not easy to deform, and are durable, making it a versatile and reliable choice for various industrial and furniture applications. 3- Work Environment - It performs well in low-humidity environments and hexagonal socket head type, uniform force is not easy to slip. If there is a high requirement for rust resistance, oxidation resistance and corrosion resistance, we also have other materials such as stainless steel available. 4- Applications - Used in machinery to fix and connect parts to ensure stable operation. These screws are essential for assembling machines, equipment, and tools and maintaining their structural integrity. Widely used in 3D Printers, RC Plane, Home Appliances, Engines, Lathes, Chassis, Seats, Compressors, Generators, Robots, Conveyor Systems, Assembly Lines, Electronics, Routers, and Switches. 5- TAKE NOTICE OF - Before purchase, confirm correct size needed. Use caliper，gauge checker for measurement; avoid ruler or tape measure. APPLICATION
Used for assembly, connecting various components, such as screws, nuts and bolts. Producing mechanical parts: shafts, spindles, sprocket assemblies; high pressure and high heat structural applications: engine brackets, landing gear, power transmission, etc. They ensure stability by connecting furniture frames, supports and structures. In addition, fasteners help adjust the position of furniture components for precise alignment during installation.

ABOUT THIS PRODUCTS
-Carbon steel materials are high in hardness, are not easy to deform, and are durable.
-Specially treated surface, simple, beautiful, and practical appearance.
-Performs well in low-humidity environments and hexagonal socket head type, uniform force is not easy to slip.
-A variety of sizes are available to meet a variety of uses.
-A versatile and reliable choice for a variety of industrial and commercial applications.

SPECIFICATION
Color: Black
Thread: Partially Threaded
Head Style: Hex Head
Thread Size: M5-0.8
Thread Length: 35mm/1.38"
Head Diameter: 8.72mm/0.34"
Head Thickness: 5mm/0.2"
Hexagon Width: 4mm
Material: Carbon Steel
Surface Treatment: Black Oxide
Performance Grade: 12.9
Package: 40 packs of socket head cap screws

NOTE
-Before purchase, confirm correct size needed. Use caliper，gauge checker for measurement; avoid ruler or tape measure.