UPC 601629959405

• 5 Sizes Assortment: M4 x 25 M4 x 30 M4 x 35 M4 x 40 M4 x 45
• Total Length: 25mm, 30mm, 35mm, 40mm, 45mm
• Screw Head Style: Flat Head ,Screw Drive Style: Hex Socket, Hex Size 2.5 mm
• Head Diameter: 7.8mm/0.31", Thread Size: 4mm, Thread Pitch :0.7 mm
• Package: 50Pcs M4 Hex Socket Drives Flat Head Cap Screws, Made of Alloy Steel ,Come in an Easy-use Separated Girds Storage Box

10.9 grade alloy steel, hardness: HRC 32-39, Screw head style: flat head, known as countersunk head, Screw drive style: hex socket, known as internal hex, hex Size 2.5 mm, Countersunk angle: 90 degree, Rust proof: black oxide finish covered with anti-rust oil , Easy to store: these screws come in a sturdy easy-use case, Item------Total Length , M4 x 25 --------25 mm, M4 x 30 --------30 mm, M4 x 35 --------35 mm, M4 x 40 --------40 mm, M4 x 45 --------45 mm, Package Contains: M4 x 25 --------10 Pcs, M4 x 30 --------10 Pcs, M4 x 35 --------10 Pcs, M4 x 40 --------10 Pcs, M4 x 45 --------10 Pcs, Total: 50 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 Flat Head: Flat head is designed to fit flush to the surface when used with countersunk holes.