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iExcell 100 Pcs M3 x 4 mm Hex Socket Head Cap Screws Bolts Kit, 12.9 Grade Alloy Steel, Black Oxide Finish
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About IExcell 100 Pcs M3 X 4 Mm Hex Socket Head Cap
✔ 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 Wrench: 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 4mm-----------4mm-------------7mm Package Contains: M3 x 4 mm--------100 Pcs Hex Key Wrench---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
