iExcell 25 Pcs 12. 9 Grade M5 x 60mm/65mm/70mm/75mm/80mm Thread Pitch 0. 8 mm Alloy Steel Hex Socket Head Cap Screws Bolts Assortment Kit, Black Oxide Finish.

Meets/Exceeds: DIN912 12. 9 alloy steel, hardness: HRC 3944, tensile strength 1220 N/mm² Rust proof : black oxide finish, covered with antirust oil These screws adn a hex key come in an easyuse separated girds storage box Sizes Thread Length Total Length M5 x 60mm60mm65 mm M5 x 65mm65mm70 mm M5 x 70mm70mm75 mm M5 x 75mm75mm80 mm M5 x 80mm80mm85 mm Package Contains: M5 x 60mm5 Pcs M5 x 65mm5 Pcs M5 x 70mm5 Pcs M5 x 75mm5 Pcs M5 x 80mm5 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 wrench About Socket Cap Head: Socket cap head screws, also known as Allen head screws, 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.