This drill bit is suitable for installing the SP12 and SP10 asphalt anchors. The bit can drill to a depth of 16" through asphalt, gravel and earth. The shank is SDS+ compatible.
SDS+ shank drill bits have two deep slots and two shallow slots on the shank for additional hold in your rotary hammer. Shank diameter is 0.393". Use with an SDS+ drive rotary hammer. Total length of drill bit is 18".
While bit life varies with the surface of the asphalt and the gravel under it, we had reports of drilling 300 holes with one bit.
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