5-Piece HSS Taper Reamer Set for Construction and Metalworking, 1/2 Round Shank

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• M2 HSS taper chucking reamer 5pcs set including 3/8",1/2",5/8",3/4" and 1” fit 1/2" shank chuck with 5-Spiral Flute. The bridge construction reamer bit is not a drill bit,only aligning reamer to aligh holes which are pre-drilled.If you need to enlarge a hole, you must first have an existing hole and then use our taper reamer to enlarge it
• The heavy duty high-speed steel bridge reamer is also called construction reamers,it used for aligning an existing hole and enlarging undersized hole prior to bolt or rivet installation.Our taper reamer bit aligns and enlarges pre-drilled holes ready for bolting
• Makes reaming holes out extremely easier than using large drill bits,the reamed hole is smooth without tear-outs. But there must be an existing hole or pilot hole with a diameter smaller than our bridge steel reamer bit before use
• The tapered point design permits the tapered reamer for metal to enter into the overlapping holes of out-of-line,make the bolt holes line up.Enlarging the holes in the steering knuckles and pitman arm
• Commonly used in bridge,construction,steel erection and automotive truck trailer industries,our bridge/construction reamer bit for 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 tools