4pcs Set M2 HSS Taper Chucking Reamer, 3/8", 1/2", 5/8", 3/4", Fit for 3/8" or 1/2" Shank Chuck, Chucking Bridge/Construction Steel Reamers, for Steel, Alloy, Aluminum, Wood, Plastic

Why you choose this Taper Chucking Reamer? -Great for anyone needing circular holes that are precise in size.-Super high quality can prevent corrosion and rust and long service life.- Easy to carry and store.-12 month warrantyIncluding：3/8" (fit 3/8'' shank chuck), 1/2", 5/8" and 3/4" (fit 1/2'' shank chuck)，1 locked suitcase, 2 keys.Notice: it requires existing hole or a pilot hole would be needed.

• 【NEEDS】When you use a regular rotary drill bit to drill holes, you will find that the shape and size of the holes are not very suitable, and the cutting surface is not smooth enough. Simply use our chunking reamer set again to obtain a perfectly accurate round hole size.
• 【FUCTION】Tapered reamers are used to align existing holes prior to bolt or rivet installation. Increasing taper for ease in hole entry, especially for drilling holes bigger in pitman arm and steering knuckles.
• 【APPLICATION】Widely used in the bridge, construction, steel installation/manufacturing, and automotive (truck and trailer) industries, existing holes are enlarged or aligned using soft steel, alloy, aluminum, wood, plastic, fiberglass, or any similar hard material before installing rivets or bolts.
• 【INCLUDING】 4 pieces, including 3/8"" (fit 3/8'' shank chuck), 1/2"", 5/8"" and 3/4"" (fit 1/2'' shank chuck). Notice: It requires existing hole or a pilot hole would be needed.
• 【PREMIUM QUALITY】Long life-span matters, that is why our taper chuck reamer is composed of high-quality M2 HSS steel, which can effectively prevent corrosion and rust, greatly increase the service life.