Thin Core Bit Extension 7-1/2 in.
This adapter extends drilling by 7-1/2 inch with small diameter Thin Wall Core
Bits. Use with Spline Drive Core Bit Shanks 48-03-3540 (12 inch long) and 48-03-3541
(18 inch long) and fit Core Bits from 1-3/4 inch to 6 inch.
Product Features
7-1/2 inch extension
For use with 1-3/4 in. to 6 in. diameter Thin Wall Core Bits
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