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Form: MM-
4/A5SC Revised 07/13/16
Drill Steel and Bits
Warranty Policy
All drill steel and bits sold to customer are intended for use in drilling concrete. It is not
capable of drilling through steel mesh, rebar or dowel bars. Use in these applications
will void all warranties and dramatically shorten bit life. Bit life is also affected by the
sharpness of the bit, type of aggregate and condition of concrete. Minnich
Manufacturing’s drill steel and bit warranty is limited to the warranty provided by the
supplier. All warranty claims must be submitted to Minnich for evaluation and sent to
the supplier for authorization.
General Notes
1. 2” (50.8mm) diameter maximum bit for hydraulic drills.
2. 2 1/2” (63.5mm) diameter maximum bit for pneumatic drills.
3. 5/8” (16mm) diameter is the smallest hole diameter.
4. Cutting speed varies from 15 to 30 seconds for a 6” (152.4mm) deep hole,
depending on bit diameter and aggregate.
5. On average you can get 180 holes, 9” (228.6mm) deep per bit.
6. On average you can get 600 holes, 9” (228.6mm) deep per drill steel.
7. Removable bits are carbide and
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