iexcell 25 Pcs M6 x 25mm Thread Pitch 1 mm Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Kit, Black Oxide Finish

【25 Pcs M6 x 25mm Hex Socket Head Cap Screws + 1 Pcs Hex Key Come In a Plastic Storage Box】 ✔ Contains 25 Pcs M6 x 25mm hex socket head cap screws --Meets/exceeds: DIN912 --Thread size ( diameter ): 6 mm --Thread Pitch: 1 mm --Thread Length: 25 mm ( Range: 25.00 ± 0.42 mm), Total Length ( includes head ): 30.85 mm ( Range: 30.85 ± 0.57 mm ) --Screw head style: socket cap head, head diameter: 10.00 mm ( Range: 10.00 ± 0.22 mm), Head Height: 5.85 mm ( Range: 5.85 ± 0.15 mm) --Screw drive style: hex socket drive, also known as internal hex drive, hex size: 5.0 mm --Made of alloy steel 40Cr, black oxide finish, high strength and anti-rust --Strength grade of screws : 12.9 Grade, hardness: HRC 39-44, tensile strength: 1220 N/mm² ✔ Contains 1 Pcs hex key to drive these screws conveniently and easily --Hex size: 5.0 mm --Made of chrome-vanadium steel, nickel plated, higher strength, anti-rust ✔ Easy to store: these 25 Pcs M6 x 25mm hex socket head cap screws and 1 Pcs Hex Key come in a plastic storage box, organized conveniently and easily [ Package Contains ] M6 x 25mm-----25 Pcs Hex Key------1 Pcs [ What is Hex Socket Drive ] Hex Socket Drive, also known as Internal hex drive, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench [ What is 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