Kozelo 402pcs M3 Socket Head Cap Screws Bolts Nuts Assortment Kit - [M3x30/35/40/45/50mm] Alloy Steel Fully Threaded Black Oxide 12.9 Internal Hex Screw for 3D Printer Use, with Wrench

Kozelo 402pcs M3 Socket Head Cap Screws Bolts Nuts Assortment Kit - [M3x30/35/40/45/50mm] Alloy Steel Fully Threaded Black Oxide 12.9 Internal Hex Screw for 3D Printer Use, with Wrench

• 1- PACKAGE CONTENTS - 402 packs of hex socket head cap bolts screw kit; Thread size: M3x30/35/40/45/50mm, Please refer to the pictures for specific products and sizes; The quantity and size are enough to meet your needs on different occasions.
• 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.