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The GCBBK Pro core bits are an ideal option for drilling into medium to hard concrete with medium steel reinforcements
Welding: For wood-to-steel applications
Connection Type: Provides strong end-of-beam connection for column-to-beams and the extended area of the column seat offers additional surface area of bearing to distribute the load
Drive screws flush to the sheathing surface without overdriving
Convenient bucket packaging - keeps fasteners organized on the jobsite
Syntec 7" Transitional/Ceramic Cup Wheel - 400 Grit with Threaded Arbor Masonry Screws The GCBBK Pro core bitsSyntec 7" Ceramic Cup Wheels are designed to improve the quality of edgework and to reduce scratches and gouging that metal cup wheels cause. These Transitional Cup Wheels have very aggressive grinding patterns which result in a superb finish. Ceramic Cup Wheels are compatible with metal and concrete. A higher grit results in a smoother, almost reflective finish.