All Categories
✔ Meets/exceeds: DIN 912, ISO 4762 ✔ Material of Screws: 12.9 Grade Alloy Steel, Black Oxide Finish, High Strength and Anti-rust ✔ Material of Hex Key: chrome-vanadium steel, nickel plated ✔ These screws and hex key come in an easy-use separated girds storage box Sizes--------------Thread Length------Total Length M3 x 5mm-----------5mm-------------8mm Package Contains: M3 x 5 mm--------100 Pcs Hex Key---1 Pcs Total---101 Pcs About Hex Socket Drives: Hex Socket drives, also known as Internal Hex drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench About Socket Cap Head: Socket Cap Head , also known as Allen head , have a recessed drive, and are commonly used when there is not enough clearance for a conventional wrench or socket. They are fastened with an Allen wrench, which is also called a hex wrench or hex key