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High-Speed Steel Step-Drill Bit Inch
Depth Penetration for Each Step: 1/8'' (3 mm)
Electric Drill Size: 1/2'' (13 mm) and larger
Number of Hole Sizes per Bit: 10 in 1/8'' (3 mm) increments
Pilot Hole Required: no
Quick Reference Number: 9
Size Range (Hole Diameter): 1/4'' (6 mm) to 1-3/8'' (35 mm)
Weight (lbs.): .15
Always ensure that you and persons in the vicinity wear approved eye protection.
Never use on or near live electrical circuits.
Note: Read and follow safety instructions in power tool owner's manual.