S R Spear Technology a leading manufacturer and supplier of auger screws for a variety of applications. Our auger screws are made from high-quality materials and are designed to withstand the rigors of use. Our auger screws are used in a variety of industries, including agriculture, construction, and landscaping. They are ideal for drilling holes in hard materials, such as soil, concrete, and rock. Our screws are also corrosion-resistant and can withstand harsh weather conditions.