FENGSquare Hole Drill Bit Adapter w 4pcs Square Hole Drill Bit Square Hole Drill Fixing Bracket 1/4“ 5/16” 3/8“ 1/2” HSS Mortising Chisel Drill Bit for Easy Installation & Disassembly-240810

Parts List: 4×Square Hole Drill Bits 1×Square Hole Drill Bit Adapter Product Description: Are you looking for a convenient and efficient way to quickly install or remove a bit of attachment? Our square-hole drill bit adapter would be a great choice! It will help you fix your drill to prevent shaking and moving when drilling and give you an accurate and faster drilling process. Square Hole Drill Fixing Bracket Size Information: Lower inner diameter: 55mm/2.17 in Upper inner diameter: 19mm/0.75 in Clamp diameter: 38-55mm/1.5-2.2 inches How to Use: Step 1 Accurately mark hole locations on the material using a measuring tool. Step 2 Steadily apply vertical pressure with the drill on the first marked hole. Avoid shaking left or right and keep the drilling motion stable and even. Step 3 Be cautious not to over-drill by limiting pressure to two-thirds of the area when drilling the second hole. Step 4 Select the drilling sequence based on project requirements or design which may involve drilling from front to back or left to right as needed. Square Hole Drill Bit Key Features: Exquisite Workmanship: The square hole drill bit adapter is carefully designed with a smooth surface and will not scratch your hands or drill when working. Note： 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2. Please allow slight dimension differences due to manual measurement.