10 Pcs M6-1 x 55mm Hex Socket Head Cap Screws, 12.9 Grade Alloy Steel, Allen Socket Drive, Black Oxide Finish, Machine Thread，Half Thread （10 Pcs M6-1 x 55mm）

• Package Included: 10 x socket head screws.
• Metric M6 screws,Thread Diameter: 6mm; Thread Length: 24 mm/0.94inch; Total Length：55mm/2.17inch；Pitch Size: 1mm.
• The socket head cap screws are 12.9 Grade Alloy Steel which is becoming hardness and more stronger after heat treatment and with good feature of anti-oxidation, high temperature resistance, anti-corrosion.
• Socket cap screws are commonly used in machine parts, die fixturing, and clamping. The socket head enables driving where there is not sufficient space for wrenches or sockets.
• Socket cap screws are high-hardness that is widely used in home, industrial, laptops,3D printer and 3D printed projects.

Size Name:M6-1 x 55mm Thread Diameter: 6 mm Head Diameter: 10 mm/0.39inch Head Height: 6 mm/0.24inch Screw Length: 55 mm/2.17inch Grade：12.9 Surface treatment: black oxidation High Quality Material Alloy Steel Package Included 10 x Socket Head Cap Bolts/Screws Quality assurance, please rest assured to buy, if there is any problem, you can return or exchange