5/8" Drill Bridge, Construction Reamer Bit with 1/2" Shank, Taper Chucking Reamer Bit Tool for Steel Metal Wood Alloy Drilling Hole

Description 5/8" Drill Bridge/Construction Reamer Bit with 1/2" Shank HSS Taper Chucking Reamer Bit Tool for Steel Metal Wood Alloy Drilling Hole The reamer bit fits for Steel Metal Wood Alloy to Align Existing Hole and Enlarge Hole Align existing holes and enlarge undersized holes before bolt or rivet installation Commonly used in bridge,construction,steel erection and automotive truck trailer industries,specially use in structural materials such as steel, metal, alloy aluminum,brass,plastic,iron,nickel,copper,cast iron etc.Three symmetrically placed flats on shank provide positive grip in portable electric and pneumatic tool Notice: 1.Before use, put some cutting oil before using the construction reamer The drill bit is used to enlarge the hole to 5/8".

First there must be 1/2", 1/4", 1/8", 3/8", 3/16", 5/16", 7/16 " ,9/16"," 5/32", 7/32", 9/32", 11/32", 13/32", 15/32" pre-drilled, then reamed to 5/8"