General description This is a 200mm extension arbor designed for use with diamond core drill bits. It allows for increased drilling depth and flexibility during drilling tasks. Made from hardened and tempered steel, it offers enhanced strength and durability. Compatible with all 1/2" BSP threaded arbors, it is suitable for professional and DIY use. Note that it should not be used in hammer mode. Technical specifications Length: 200mm Material: Hardened and tempered steel Thread compatibility: 1/2" BSP threaded arbors Compatibility and accessories Compatible with all diamond core drill bits that use 1/2" BSP arbors Designed specifically for use with diamond core bits from brands like Draper Installation Attach the extension arbor to your diamond core drill bit using the 1/2" BSP threaded connection Ensure the connection is secure before operation Usage Use with diamond core drill bits for drilling in concrete, stone, or similar materials Do not use in hammer mode to avoid damage