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Engineered for performance
Decks & Outdoor Structures: Provides a strong
allowing for easy installation without pre-drilling
Drive screw flush without overdriving to maintain pull-through strength
Syntec 1-1/8" GCB29BK Pro Diamond Wet Core Drill Bit for Concrete MIT/HIT I-Joist & SCL Hangers Engineered for performanceSyntec 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