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✦ Verified product
Extensions for Core Drill Bits
USD 29.31
Core Bit Threads
Drill Arbor
EDiamondTools
Verified independent store
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Core drilling extension adapters made with industrial grade heat treated steel. 5/8"-11 male thread fits: Dry core bits Wet core bits 1-1/2" diameter and below 1-1/4"-7 male thread
