Syntec 4-1/4" GCB107BK Pro Diamond Wet Core Drill Bit for Concrete Zinc Large Diameter Concrete Screws This driver bit is designed

This driver bit is designed for use with the Quik Drive PROSDX150

Each screw features an EPDM rubber washer to ensure a secure

22 single “A” crimp loads

The T-25 star drive helps prevent your bit from slipping and ensures better torque transfer

ZMAX galvanized coating for enhanced corrosion protection in exterior environments

Syntec 4-1/4" GCB107BK Pro Diamond Wet Core Drill Bit for Concrete Zinc Large Diameter Concrete Screws This driver bit is designedSyntec 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