With the Carat BC22000000 extension piece, you easily increase your drilling depth by 300 mm. Made from solid steel, this durable extension tackles demanding drilling jobs through thick walls, masonry, and reinforced concrete where standard core bits fall short. Its rigid steel construction ensures direct torque transfer without twisting or flexing during intensive wet or dry drilling. Equipped with a standard 5/4" unc thread featuring a female connection on the machine side and a male thread on the bit side, it pairs securely with core drill bits from 51 mm in diameter. You complete deep pipe and conduit feed-throughs efficiently without the need for expensive extra-long core bits.
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