<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>This premium drill drill bit made of high speed steel by heat treatment includes high hardness drill bits and sharp angle chisel, sturdy and durable.<br/>This woodwork teapot chisel bit reduces the labor force of construction workers, speeds up the construction process, and reduces construction costs for construction, installation, renovation and decoration.<br/>Use a different size of square hole drill to fit the appropriate power of the square hole machine. You can choose four different sizes to meet your needs. 1 / 2 inch (12.7 mm), 3 / 8 &quot;(9.5 mm), 5 / 16 inch (8 mm), 1 / 4 inch (6.4 mm).<br/>Work scenario: a double effect is obtained with a mortise and a tenor machine. Square hole punching requires electrical drill, hammer and other tools.<br/>It is best to open square holes in wood using a mortise machine or a teapot attachment.<br/></p><p><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/></span><span style="background-color:rgb(255, 255, 255);color:rgb(15, 17, 17)"><br/><br/></span></p><p><br/></p><p><br/></p></div></div><br/>