Syntec 4" GCB100BK Pro Diamond Wet Core Drill Bit for Concrete HU Face Mount Hangers 12-14 x 1-1/4" HWH Steelbinder

12-14 x 1-1/4" HWH Steelbinder self-drilling pole barn screws are designed for general metal to metal construction applications

watertight fit without crushing the washer

Decorative Design: Hex-head style enhances the look of wood-to-wood and wood-to-connector installations

Designed for long-lasting durability

This system provides the stiffness needed to hold your decking boards solidly in place while also allowing flexibility for natural expansion and contraction to take place

Syntec 4" GCB100BK Pro Diamond Wet Core Drill Bit for Concrete HU Face Mount Hangers 12-14 x 1-1/4" HWH SteelbinderSyntec 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