Thread Size: M4 x 25mm; Inner Hex Dia: 2.5 mm / 0.1 inch; Outside Diameter: 8 mm / 0.31 inch; Pitch: 0.7 mm / 0.03 inch; Length: 25 mm / 0.98 inch; Content: 50 Pcs x Flat Head Socket Cap Screws
Premium Hex Drive Machine Screws: Made of durable 304 stainless steel 18-8 with surface polishing, durable, rust-proof, wear-resistant, 6.8 grade strength, superior to regular steel, and offer a high level of chemical and corrosion resistance.
Good Stability & Beautifully Surface: Hex drive countersunk bolts with clear threads, provide stability and can be used for a long time. Beautifully cut and the head is flat. provide a good decoration, easy to use and install
Application: Flat countersunk screw is suitable for power, aerospace, office equipment, petrochemical, electronics, communications, shipbuilding industry, machinery, etc. You can also see them in construction, manufacturing, engineering, assembling, landlord, repairmen, and other DIY projects
Instruction: 1. Drill holes where installation is required 2. Put countersunk bolts into the hole 3. Tighten with tool until the screw head is in firm contact with the mounting surface (NOTE: Please confirm the size before placing an order.)