Tungsten carbide tipped drill bit and countersink remain sharp after extended use
Free-spinning stop collar with protective o-ring prevents damage to work surface
Anti-clog debris cavity gathers waste material keeping it clear of the countersink
Pre-set shaft length
Includes: (2) different length bits for use with either 5/16" or 5/8" fiber cement board and (1) hex wrench
Description
The Smart-Bit for Fiber Cement Board is
a tungsten carbide tipped pre-drilling and
countersinking tool. Like other products in the Smart-Bit line, it is designed to create a perfect hole and fit for matching fasteners. The SmartBit for Fiber Cement is the first tool that makes it possible to pre-drill and countersink in one step at a consistent depth, without damaging the work surface. The Smart-Bit tool features a free spinning stop collar, which controls the depth of the drill and countersink. The stop collar is fitted
with a rubber O-ring to prevent surface damage or marking.
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