Hoomuy M4 x 40mm 50pcs Flat Head Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Metric Allen Socket Drive, Fully Threaded

• M4 Flat Head Screws Countersunk Bolts, Thread Diameter: 4mm; Thread Length: 40mm, Pitch Size: 0.7mm; Head Diameter: 8mm; Head Height: 3.4mm; Drive Type: Allen Hex Socket 2.5mm; Color: Black.
• Material: Crafted from premium 10.9 grade alloy steel with a black oxide finish. It delivers excellent corrosion resistance, hardness, wear resistance and low temperature resistance.
• Package Included: M4 x 40mm(50pcs). The 10.9 M4 flat head bolts are widely used in various applications: instruments and meters, electrical control boxes, equipment shell panels, assembly lines, fixed parts beside guide rails, stainless steel cabinets, bathroom cabinets, cabinet assembly, small modules, terminal connections, sensor fixations, etc.
• The M4 flat cup screw made of 10.9 grade alloy steel features high strength, small size, and a flat countersunk head. It is suitable for small and precise scenarios where connection strength, installation space, and surface flatness are required. Do not apply outdoors or in damp environments.
• Warm reminder: Keep out of reach of children. Be careful of scratches. If you have any questions, please contact us.

Hoomuy M4 x 40mm 50pcs Flat Head Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Metric Allen Socket Drive, Fully Threaded