<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div> <p class="detail-desc-decorate-content" style="text-overflow:ellipsis;font-family:'OpenSans';color:#000;word-wrap:break-word;white-space:pre-wrap;font-weight:300;font-size:14px;line-height:20px;margin-bottom:12px;"> <span style="font-size:22px;">7PCS Professional Countersink Drill Bit Set Tampered Drill Wood Screw Drills Stop Collar Woodworking Countersinks Drills Bits</span><br>Specifications: 5#, 6#, 7#, 8#, 9#, 10#, 12# Material: The drill bit is high-speed steel 4241, and the black part is 45# steel. On the same axis, the screw cap is below the plane of the board after the screw is screwed, and the drill ring can be adjusted up and down! Suitable for drilling machines with chucks or joints, suitable for drilling holes on hard wood and wood layers, and for machine-tightening wood screws. </p> <br> <p style="text-align:left;margin:0;"> </p></div></div></div>