M3 Screw Bolt Set, 12.9 Grade Alloy Carbon Steel Cap Head Hex Socket Head, for Home and Office Appliance, Communication Equipment(M3*12mm 50pcs)

High-strength Material: The screws are made of 12.9 grade alloy carbon steel, which has extremely high strength and toughness, ensuring the durability and reliability of the screws。 Hexagonal Head Design: The shape of the hexagonal head provides better transmission, reduces slippage, and facilitates precise control and tightening. Easy to Tighten: Suitable for wrench use, convenient and quick tightening, improving installation efficiency and accuracy. Wide Application: Suitable for machinery, construction, furniture, electrical appliances and other industries, meeting the needs of screw tightening in different fields. Oxidation Endurance: Alloy carbon steel material has good oxidation endurance, suitable for a variety of environmental conditions, and extends the service life of the screws.