Core Bit Extensions, 1-1/4" and 5/8", up to 41" Length

Delta Diamond Products Inc Verified independent store

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5/8" and 1 1/4" core bit extensions are made from heat-treated high speed steel and will connect to most core drilling machines and diamond bits. The body is hollow throughout for wet drilling, but they may also be used dry. Longer lengths are available upon request with short lead times. We recommend using oil or other lubricant for easier connecting and removal of the barrels. Show more