Syntec 3-1/2" GCB89BK Pro Diamond Wet Core Drill Bit for Concrete Sale - Connectors pre-drilling may be necessary to

pre-drilling may be necessary to prevent splitting and ensure a flush connection

Tension Resistance: Helps prevent wall or post uplift under wind and seismic forces

the HU series ensures superior strength and durability

Deck stair construction

Syntec 3-1/2" GCB89BK Pro Diamond Wet Core Drill Bit for Concrete Sale - Connectors pre-drilling may be necessary toSyntec 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