Syntec 1" GCB25BK Pro Diamond Wet Core Drill Bit for Concrete Drywall Screws These Precut diamond blades are

These Precut diamond blades are used on gas saws and are for wet applications

Built to perform in tough environments

Designed for rough-cut 4x6 lumber

and ceiling applications

concealed connection between a header/post and a beam

Syntec 1" GCB25BK Pro Diamond Wet Core Drill Bit for Concrete Drywall Screws These Precut diamond blades areSyntec 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