316 Stainless Steel DIN316 Wing Bolts – Hand-Tighten Tool-Free Fasteners, Sizes M3-M12, Corrosion-Resistant Thumb Screws for Versatile Assembly

Crafted from premium 316 (A4) stainless steel and compliant with DIN316 international standards, these wing bolts offer exceptional corrosion resistance, rust prevention, and durability—ideal for harsh environments like humidity, outdoor settings, and chemical-exposed areas . Featuring a distinctive wing-shaped head design, they enable tool-free hand tightening and loosening, with the extended wings providing superior leverage for effortless operation even in tight spaces or during frequent adjustments . The bolts come in a full size range of M3 to M12 with precision-machined full threads, ensuring secure engagement with nuts or threaded holes and seamless compatibility with various materials including metal, wood, and plastic .