Metric Flat Head Socket Cap Screws - DIN 7991
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:root { --ink:#333; --brand:#00429a; --bg:#f7f9fc; --chip:#eef5fa; } body{font-family:Arial,sans-serif; color:var(--ink); line-height:1.6;} h1,h2,h3{color:var(--brand);} .lede{background:var(--bg); border:1px solid #e5edf7; padding:16px; border-radius:12px; margin-bottom:20px;} .toc{background:var(--chip); padding:12px; border-radius:10px; margin:20px 0;} a{color:#0066cc; text-decoration:none;} a:hover{text-decoration:underline;} Flat Head Socket Cap Screws are fully countersunk to sit flush with the surface—ideal where clearance and clean lines matter (machinery, die fixturing, removable panels). Need US / Inch sizes? We carry those too. Related Socket Screw Styles Socket Head Cap Screws – strongest clamping force in the socket family. Button Head Screws – low-profile, snag-resistant dome head. Why Choose Monster Bolts Flat Heads? Flush Fit: Countersunk design for smooth, snag-free surfaces. Strong & Precise: 12.9 alloy steel available for demanding assemblies. Corrosion Options: A2 (304) and A4 (316) stainless for harsh environments. Allen (Hex) Drive: Reliable torque transfer and easy serviceability.