The Multi-Step reamer step drill kit comes in three different sizes, providing only the only tools you'll need to enlarge holes in metal plates up to 1/2" thick - from 5/16" diameter all the way to 1-1/16".
STEP DRILL REAMER -5/16" 1-1/16"(3step)
SKU: 01W955
- Made with premium grade HSS to last longer, Stepped geometry for fast hole making and enlarging, 3/8" reduced shank with 3 flats to reduce slippage in drill chucks, Black oxide surface treatment increases wear resistance
- Walter