Drill Bits for hand drilling 3/8" and 1/2"

Drill Bits for hand drilling 3/8" and 1/2"

from 11.00

Drill bits for doing the devil's work.

1/2” Bosch and 3/8” DeWalt SDS bits made for rotary hammer drills, which are used with the Petzl Rock Pecker for hand-drilling. They have the SDS attachment system, and a carbide hunk in the tip that makes them very durable. Working length is 4”; full length of the bit is 6”.

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For hard stone like Basalt, Limestone and Granite, use the blunt tips. For Sandstone, I offer them tediously reground on my bench grinder to a sharp chisel tip. This works better in soft sandstone, but chips and breaks if you use it on hard stone. 

Offered in 3/8" and 1/2", and in Regular and Reground.

 

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