180-Piece SAE Nuts and Bolts Assortment Kit Complete Assortment Set: Includes 180 pieces in six commonly used sizes (1/4"-20 x 1/2", 1/4"-20 x 5/8", 1/4"-20 x 1", 1/4"-20 x 1-3/4", 1/4"-20 x 2", and 1/4"-20 x 3"). This versatile kit is designed to handle a variety of applications, from automotive engines to industrial machinery. What's Included: Comes with 45 hex head bolts, 45 1/4-20 hex nuts, 45 flat washers, and 45 spring washers, providing all the components you need for secure and reliable fastening. Ideal for home repairs, automotive tasks, and more. Durable Stainless Steel Construction: Crafted from premium 304 stainless steel, these fasteners offer superior strength, rust resistance, and durability, making them perfect for outdoor applications and projects exposed to the elements. Specifications: Featuring a thread size of 1/4-20 with UNC (Unified National Coarse) threads, these bolts are right-hand threaded for standard use. Their sleek silver finish adds a clean, professional look to your projects. Versatile Applications: Perfect for home improvement, furniture assembly, construction, and automotive repair. The fully threaded bolts ensure secure fastening of threaded sections, providing reliable support for various tasks. Upgrade your toolkit with this durable and versatile nuts and bolts assortment kit for all your fastening needs.