304 Stainless Steel Hex Socket Countersunk Head Cap Screw M5 M6 M8 M10 | DIN7991 | 55–120mm | 20–100PCS304 Stainless Steel Hex Socket Countersunk Head Cap Screw DIN7991 M5M10 55120mm Long length 304 stainless steel hex socket countersunk (flat head) cap screws to DIN7991 standard, covering M5 through M10 in lengths from 55mm to 120mm. The countersunk head sits flush with or below the surface for a clean, snag free finish in structural, marine, and outdoor applications where corrosion resistance and flush fastening are both required. The hex socket