Metric DIN 315 wing nuts / butterfly nuts of the German Type have two rounded wing like projections. This unique design makes it possible to use your thumb and forefinger to turn and tighten the nut rather than a having to use a wrench or other tool thus ensuring easy rapid assembly and disassembly using only fingers. DIN 315 wing nuts can be used for many applications where quick hand tensioning and clamping is required. Aspen Fasteners offers the following sizes for immediate delivery from stock: Diameters ranging from M4 to M24 in steel and stainless steel A2 and A4. View available parts by clicking on the following link: DIN 315 Wing Nuts
To view the full specification and standard sheet with dimension, material, weight and mechanical properties click on the link at the top of page