Syntec 1-7/8" GCB47BK Pro Diamond Wet Core Drill Bit for Concrete Microtrenching Blades Lumber Size: Intended for use

Lumber Size: Intended for use with 6x beams and 7-1/8x posts/columns

Clean finish – Composite boards install flush with no mushrooming

With a hardened-steel design and a self-drilling point

Screw shank increases withdrawl resistance to provide a secure attachment

Syntec 1-7/8" GCB47BK Pro Diamond Wet Core Drill Bit for Concrete Microtrenching Blades Lumber Size: Intended for useSyntec has been working hard for over two decades to manufacture exceptional power core bits for the construction industry. Syntec's diamond drilling tools can be used for a wide range of applications whether it is light or heavy duty drilling. The GCBBK Pro core bits are an ideal option for drilling into medium to hard concrete with medium steel reinforcements. Syntec's drill core bits feature diamond tipped segments and fittings comprised of sturdy