Adams Tool House Trading offers a range of high-quality extension rods designed to increase the effective drilling depth of core bits when working with concrete, masonry, and other tough materials. Manufactured from durable steel or lightweight aluminum, these rods are available in both ½” R thread and 1¼” UNC thread formats, making them compatible with a wide range of core drilling machines and tools.For applications requiring ½” R thread connections, steel extension rods are available in two convenient sizes:Part No. 13-011 – 300 mm lengthPart No. 13-012 – 500 mm lengthThese robust steel rods are ideal for standard drilling tasks where extra reach and durability are essential.For 1¼” UNC thread systems, Adams Tool House offers two material options:Aluminum Extension Rods – Ideal for lighter handling without compromising strength:Part No. 13-013 – 100 mmPart No. 13-014 – 200 mmPart No. 13-015 – 300 mmPart No. 13-017 – 500 mmSteel Extension Rods – Designed for heavy-duty and high-torque operations:Part No. 13-01301 – 100 mmPart No. 13-01401 – 200 mmPart No. 13-01501 – 300 mmPart No. 13-01701 – 500 mmWhether for lightweight flexibility or rugged endurance, this extension rod range ensures seamless compatibility and performance in a variety of drilling environments. Built to precision standards, they are the ideal accessories for professional contractors requiring reliability and versatility on the job.
