Uncover the durability and precision of Alcoa’s hex drive bolts with this set of 100 -5/16″ x 2 1/4″ aluminum bolts. The threads are meticulously designed to meet standard inch measurements, ensuring a flawless fit for your construction needs. Each bolt is crafted from high-quality aluminum, offering a lightweight yet robust solution for your projects. The bolts come in a new-in-box condition, guaranteeing immaculate threading and finish, ready to be driven into your materials with a reliable hex drive. Ideal for a variety of applications, these bolts are a versatile addition to any supply cache, matching functionality with reliability.