M3 x 40mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 25PCS

The M3 x 40mm Socket Head Cap Bolts/Screws are made of high-quality 12.9 grade alloy steel, ensuring excellent corrosion resistance, firmness, wear resistance, and low temperature resistance.

With a thread diameter of 3 mm and a head diameter of 5.5 mm, these bolts are designed for heavy-duty applications and provide a secure hold.

The black oxide surface treatment enhances their durability and resistance to corrosion, making them ideal for use in various precision machinery industries, classified instruments, meters, electronic products, household appliances, communication products, automobiles, locks, lamps, and toys. The package includes 25 PCS Socket Head Cap Bolts/Screws (M3 x 40mm), providing you with a convenient and cost-effective solution for your needs.

With a warranty available, you can purchase this product with confidence, knowing that you are covered in case of any issues.

Don't settle for anything less, choose the M3 x 40mm Socket Head Cap Bolts/Screws today and experience the difference for yourself!