Coach Screw 8 x 50 A4 Stainless Steel DIN 571

Coach Screw
Stainless Steel A4 Grade 316
Dia: M8 x 50mm
Wrench Size Across Flats: 13mm
Drill Bit Size: 10mm Masonry
Plastic Plug: 10mm 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.