Coach Screw
Stainless Steel A4 Grade 316
Dia: M10 x 70mm
Wrench Size Across Flats: 17mm
Drill Bit Size: 12mm Masonry
Plastic Plug: 12mm Grey
A DIN 571 coach screw (lag screw) made from A4 (Grade 316) "marine-grade" stainless steel is a heavy-duty wood screw with a hexagonal head. Its primary purpose is to create strong, permanent, load-bearing fastenings in timber structures for highly corrosive applications, such as marine environments or coastal construction.
