ZTF 528PCS SAE Bolts and Nuts Assortment Kit, Heavy Duty Hex Bolts Nuts and Washers Assorted kit 15 Common Sizes,1/4-20, 5/16-18, 3/8-16, 1/2-13 Assorted Nuts Bolts Washers,Yellow Zinc Plated

528PCS Bolts and Nuts AssortmentThis ZTF bolts assortment kit includes 1/4"-20 x 1/2" to 1-1/2", 5/16"-18 x 3/4" to 2", 3/8"-16 x 3/4" to 2". The bolts set includes 132 SAE hex bolts, 132 hex nuts, 132 lock washers, and 132 flat washers no need to purchase any additional fasteners. | Outstanding PerformanceThe hex bolts and nuts kit are made of grade 8 alloy steel, has excellent mechanical properties, can withstand high preload, and provides outstanding anti-loosening capability. | Time & Money SaverWhether you need different lengths or diameters, this bolts and nuts kit of tools can meet a variety of needs, saving you the hassle of repeatedly purchasing and dealing with mismatched sizes. This nuts and bolts assortment is a time and money saver. | Reusable Storage Box Equipped with a multifunctional compartment storage box, it keeps screws of all sizes neatly organized. The nut and bolt set easy to carry and store, it embodies the concept of a 'mobile workshop.' You can easily access the screws as needed for your projects, greatly improving work efficiency and tidiness. | Wide ApplicationsThis hardware assortment is widely used in all kinds of repairing appliances or furniture, trucks,outdoor equipment, building framework and heavy equipment,also perfect hardware kit for someone who does DIY in the garage.