4Pcs Drill Bridge/Construction Reamer Bit Set 3/8" 1/2" 5/8" 3/4" with 1/2" Shank HSS Taper Chucking Reamer Bit Tool for Steel Metal Wood Alloy Drilling Hole with Aluminum Box

Applies to: The reamer bit fits for Steel Metal Wood Alloy to Align Existing Hole and Enlarge Hole Function: - Align existing holes and enlarge undersized holes before bolt or rivet installation -Five-Flute Rapid Drilling Design: Reverse helical pushes chips forward, ideal for through-hole applications, reduces friction, runs cooler, and performs well in heat, corrosion, and rust resistance. -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 Specification: Cutting Direction:right-hand Material: High-Speed ​​Steel (HSS) Shank Diameter: 1/2" Product Material: high speed steel Product Color: stainless steel

• What it does: Heavy-duty high-speed steel bridge reamers,expand or align existing holes through mild steel, alloys, aluminum, wood, plastic, fiberglass, or any material of similar hardness prior to rivet or bolt installation, Deburring and trimming of holes in structural materials
• Application: Especially for steel, metal, alloy aluminum, brass, plastic, iron, nickel, copper, cast iron and other structural materials
• Design: Tapered point design allows reamer bits to enter irregular overlapping holes, aligning bolt holes
• Includes: 3/8" (fits 3/8'' shank collets), 1/2", 5/8" and 3/4" (fits 1/2'' shank collets)
• Design: Tapered point design allows reamer bits to enter irregularly overlapping holes, aligning bolt holes; three symmetrically placed flats on shank provide a secure grip for portable power and air tools