Enlarge holes easily and consistently
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".
Features:
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
Applications:
Drilling holes in medium and high strength materials
Enlarging holes in material up to 1" thick