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Premium Square Hole Drill Tool Gonna Make Your Handyman Life So Much Easier:
Why waste time and energy trying to chisel out at the square hole and get frustrated with your tools? This amazing Premium Square Hole Drill Tool will be your saving grace!
This Premium Square Hole Drill Tool helps you create your square holes effortlessly and perfectly. It helps to prevent frustration and saves your time as you complete your tasks.
 Perfect for woodworking project
 To machining square hole, must drill the hole or cutting machine processed crude hole, then chisel detail part by hand
 Crushing round bits and square outer wall, processing a square hole one-time, and the dust can be broken slag discharged from the tube
 This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment
 Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.
[Material] High Speed Steel
[Size] 1/4" (6.35mm), 3/8" (9.5mm),9/16" (14mm),5/8" (16mm)
★ Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use
★★ To avoid drill bits become overheated and get burned up due to fast rotary friction,we suggest use some cutting fluid to keep the bits cold during usage
100% SATISFACTION GUARANTEE