150pcs Wing Nuts Butterfly Hand M5 M6 M8 Zinc Plated Steel Screws Fastening Parts Assortment Kit with Box

Made of Zinc Plated Steel,these nuts have good chemical resistance and may be mildly magnetic. The wings provide more leverage for greater torque while tightening than knurled-head thumb nuts. Wing nut or butterfly nut is a type of nut with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools. Easy to install and remove,can be used repeatedly and you can fasten two parts(structures)together easily. Package Include:M5X0.8MM(30 PCS),M5X0.5MM(30 PCS),M6X1MM(25 PCS),M6X0.5MM(25 PCS),M8X1MM(20 PCS),M8X1.75MM(20 PCS). Widely used in machinery,petrochemical,telecommunications,chemical industry,construction, electricity, textile, sports equipment,paper,sewage treatment,marine,automotive and other industries. Applications: Machinery and equipment, electronic equipment, communications equipment, hardware lighting, building bridges, furniture decoration, etc.