Pro Bamboo Kitchen 10pcs Screw Bolts with Wing Nut Zinc Plated Carbon Steel Mounting Hardware Fitting Fastenings 1/4"-20 Hand Tighten Wing Nuts, 1/4"-20 x 5/8" Phillips Head Screw Bolt with Washers

The set includes 10 cross screws, 10 manually tightened butterfly nuts, and 10 washers., Made of high-quality galvanized carbon steel, it is environmentally friendly, has high hardness, does not deform, is rust-proof, and is wear-resistant. It is suitable for indoor, outdoor, or humid environments and has a long service life., Fine workmanship, smooth surface without burrs, complete and deep threads, uniform stress, not easy to slip, sturdy and durable., Butterfly nuts are designed specifically for hand-tightening operations, rather than using screwdrivers and butterfly heads, thereby increasing the lateral support surface and making hand twisting more effective., Mainly used in mechanical industries that require frequent disassembly and maintenance, such as household and office equipment, communication equipment, the automotive industry, and ship assembly.