5Pcs Drill Bridge/Construction Reamer Bit Set 3/8" 1/2" 5/8" 3/4" 9/16" with 1/2" Shank HSS Taper Chucking Reamer Bit Tool for Steel Metal Wood Alloy Drilling Hole with Aluminum Box

Applies to: Reamer bits for steel, metal, wood, alloys to align existing holes and enlarge holes Function: - Align existing holes and enlarge undersized holes before installing bolts or rivets. - Commonly used in bridges, construction, steel structure installation and automobile truck trailer industries, especially suitable for steel, metal, alloy aluminum, brass, plastic, iron, nickel, copper, cast iron and other structural materials. Three symmetrically placed flat surfaces on the handle provide reliable grip for portable electric and pneumatic tools. Notice: 1. Before use, apply some cutting oil before using the construction reamer. 2. Use a drill to enlarge the hole to the target hole diameter. It must first be pre-drilled and then reamed to the desired diameter. Specification: Product diameter: 3/8 inch, 1/2 inch, 5/8 inch, 9/16 inch, 3/4 inch 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: Includes 3/8", 1/2", 5/8", 9/16" and 3/4" to fit 1/2" shank chucks with 5 spiral grooves.
• 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