Metric socket flat head, Stainless steel 316 (A-4)
Socket flat head screw

Socket flat head diameter is measured on the outside of the threads.

Metric socket flat head diameter

Diameter and Thread pitch

2mm x 0.4mm 2.5mm x 0.45mm 3mm x 0.5mm 4mm x 0.7mm 5mm x 0.8mm 6mm x 1.0mm 8mm x 1.25mm 10mm x 1.5mm 12mm x 1.75mm 16mm x 2.0mm