The Collis 85515 Rotary Tool Holder Bushing is a precision-engineered component designed to securely hold rotary tools during machining operations, ensuring optimal stability and accuracy. With an inside diameter (ID) of 3/4 inches and an outside diameter (OD) of 1 inch, this bushing accommodates a wide range of rotary tools, making it a versatile addition to any workshop. The 2-3/4-inch length under the head provides ample support, enhancing the rigidity of the setup and reducing tool deflection during operations. Manufactured from high-quality steel, the 85515 bushing offers exceptional durability and resistance to wear, ensuring a long service life even under demanding conditions. Its Type C design ensures compatibility with various tool holders and posts, facilitating easy integration into existing setups. This bushing is particularly beneficial in industries such as automotive, aerospace, and medical equipment manufacturing, where precision and reliability are paramount. By securely holding rotary tools in place, the Collis 85515 bushing minimizes the risk of tool slippage and inaccuracies, leading to improved machining efficiency and product quality. Its robust construction and precise dimensions make it an essential component for professionals seeking to enhance the performance and longevity of their machining operations.