3 1/2" Core Drill Block Starter Pack AB Block Imperial the AB112 is trusted by

the AB112 is trusted by professional drillers

the B186 delivers bulls-eye accuracy

The Core Drill Block provides a precise guide for your core drill

The B230 Block is built to help you hit the mark every time – no expensive rigs

Core Bit Fit: Designed for 6 ½ Inch (165mm) Core Drill Bits

3 1/2" Core Drill Block Starter Pack AB Block Imperial the AB112 is trusted byEverything You Need for Precise Core Drilling All in One Pack. The 3 1 2" Core Drill Block Starter Pack has been carefully assembled to provide contractors with everything required for fast, accurate, and efficient core drilling installations. No need to source individual components, simply open the pack and get to work. Each pack includes: 1 Core Drill Block 1 10mm SDS Plus Drill Bit 1 17mm Socket 2 Heavy Duty Screw Bolts Using the supplied 10mm SDS