Set Screw M16 x 40mm Hot Dip Galvanized Gr.4.8 DIN 558

Set Screw
Hexagon Head
Metric
Hot Dip Galvanized
Mild Steel Grade 4.8
Dia: M16
Pitch: 2
Length: 40mm
DIN 558
Wrench Size Across Flats: 24mm
A DIN 558 hex head set screw is a fully threaded metric fastener with an external hexagonal head, primarily used for general construction and industrial applications where a strong, permanent connection is needed. The standard is largely superseded by ISO 4018 but remains common in the market.