iExcell 25 Pcs 12 .9 Grade M6 x 40 mm Alloy Steel Hex Socket Head Cap Screws Bolts Hex Key Kit

• ✔ Screw Head Style: Socket Cap; Screw Drive Style: Hex Socket, Hex Size: 5.0 mm
• ✔ Screws: M6 x 40 mm: Thread Pitch: 1.0 mm, Thread Diameter: 6 mm, Head Diameter : 10.2mm, Head Height: 6 mm, Thread Length: 40 mm
• ✔ Includes 1 Pcs Hex Key , Hex Size 5.0 mm, to Drives These Screws Easily
• ✔ Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mm²
• ✔ Package: 25 Pcs M6 Hex Socket Head Cap Screws and 1 Pcs Hex Key , Come in an Easy-use Storage Box

✔  Meets/exceeds: DIN 912, ISO 4762 ✔  Material of Screws: alloy steel 40Cr, black oxide finish ✔  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 M6 x 40 mm-----------40 mm-------------46 mm Package Contains: M6 x 40 mm--------25 Pcs Hex Key---1 Pcs Total---26 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 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 or socket. They are fastened with an Allen, which is also called a hex or hex key