<p><img src="https://ae01.alicdn.com/kf/S707de6be7edd4c0185489359f9f0a9faA/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/S707de6be7edd4c0185489359f9f0a9faA/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><img src="https://ae01.alicdn.com/kf/S79e8fd8004ec4c3497abc3762376c9c41/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/S79e8fd8004ec4c3497abc3762376c9c41/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><img src="https://ae01.alicdn.com/kf/Sa87dd7e9b01a42c0bb599c3b268f6332l/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/Sa87dd7e9b01a42c0bb599c3b268f6332l/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><img src="https://ae01.alicdn.com/kf/Sd210aa4b0a9641bfbc91d69e98a03ee1C/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/Sd210aa4b0a9641bfbc91d69e98a03ee1C/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><img src="https://ae01.alicdn.com/kf/Sfbfbb992650d49099c36494d32efe2beu/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/Sfbfbb992650d49099c36494d32efe2beu/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><img src="https://ae01.alicdn.com/kf/S20b21e5b0e094f6eb2dd5ea6951db9c3K/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg" class="wp_automatic_gallery" data-a-src='https://ae01.alicdn.com/kf/S20b21e5b0e094f6eb2dd5ea6951db9c3K/3-12-4-12-4-20-4-32mm-HSS-Titanium-Step-Drill-Bit-Conical-Stage-Drill.jpg' /><br />
Price: <span style="color:#b12704"><del>3.96</del> - 6.45</span><br />
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-4155153840980932"
 crossorigin="anonymous"></script><br />
<!-- hori --><br />
<ins class="adsbygoogle"
 style="display:block"
 data-ad-client="ca-pub-4155153840980932"
 data-ad-slot="6364932836"
 data-ad-format="auto"
 data-full-width-responsive="true"></ins><br />
<script>
 (adsbygoogle = window.adsbygoogle || []).push();
</script></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:20px;font-family:Calibri"><strong>Features:</strong></span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Brand New and High Quality</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Made from high quality HSS steel</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Ideal for using to cut holes in a<br />variety of materials including steel, brass, wood, plastic, etc.</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Titanium coated to reduce mit and heat</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Heat treated and highly polished.<br />Drills perfectly round holes in steel, brass, plastic, wood etc.</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">3 sided shanks design in order to prevent slippage when in chuck</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Two flute design drives faster,<br />smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:20px;font-family:Calibri"><strong>Function:</strong></span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Deburring, Chamfering,Cutting or expanding holes </span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Supporting tools: Pistol drill,Hand drill, Charging drill, Bench drill. </span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">(Water injection cooling while working, it can effectively extend the service life of the drill bit,<br />especially in the case of continuous drilling)</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><strong><span style="color:black;font-size:20px;font-family:Calibri">Package include:</span></strong><span style="color:black;font-size:11pt;font-family:Calibri"><br /></span><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type1:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">3-12<br />1 xDrill Bit 3-12mm<br /></span><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type2:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">4-12<br />1 xDrill Bit 4-12mm</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type3:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">4-20 bag<br />1 x Drill Bit 4-20mm<br /></span><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type4:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">4-32<br />1 xDrill Bit 4-32mm<br /></span><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type5:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">3-12 4-12 4-20<br />1 x Drill Bit 3-12mm<br />1 xDrill Bit 4-12mm<br />1 xDrill Bit 4-20mm<br /></span><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type6:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">3-12 4-12 4-20 bag<br />1 x Drill Bit 3-12mm<br />1 x Drill Bit 4-12mm<br />1 x Drill Bit 4-20mm<br />1 x Bag </span></p>
<p><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type6:</span></strong></p>
<p><span style="color:black;font-size:11pt;font-family:Calibri">4-12 4-20 4-32bag<br />1 x Drill Bit 4-12mm<br />1 x Drill Bit 4-20mm<br />1 x Drill Bit 4-32mm</span></p>
<p><strong><span style="color:black;font-size:11pt;font-family:Calibri">Type7:</span></strong></p>
<p><span style="color:black;font-size:11pt;font-family:Calibri">4-12 4-20 4-32bag<br />1 x Drill Bit 4-12mm<br />1 x Drill Bit 4-20mm<br />1 x Drill Bit 4-32mm<br />1 x Bag </span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:20px;font-family:Calibri"><strong>Attention:</strong></span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Because of the outer diameter of each step of the step drill is gradually expanded,</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">then the corresponding cutting resistance and linear velocity will also be gradually increased.</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Owing to the step drill is completely dependent on the inclined edge that is only with 1mm length,</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">If the feed speed is too fast when drilling,</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">it will be easily to be annealing caused by abrasion of the oblique edge.</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Please give a downward force when drilling, </span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">do not press down too hard to avoid the edge wearing.</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><strong><span style="color:black;font-size:11pt;font-family:Calibri">Suitable material:</span></strong></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">Workpieces with general hardness, such as wood, plastic, PVC plate, iron plate, plate thickness<br />within 3MM. Please note that stainless steel and spring steel are not<br />applicable. Not for quenching. </span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><span style="color:black;font-size:11pt;font-family:Calibri">(Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the<br />case of continuous drilling)</span></p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0in"><img src="https://ae01.alicdn.com/kf/Sa9c6f44cc0b54ae29ac1035c0b6e1cd8a.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S0ca7369b02d647f9b32ef84f05ff52adi.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S301d1c49605d490b8fd7cf363d5c9c63B.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S7b10a47c3c764cb6a49477971a955511l.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S2f5e2cf1be754867b5615dc04449ce956.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/Sc3329b1e51654fbcbd2bc07a8c6018a9P.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S6d9dae1df2c148c78a1a1a929a7aa005V.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S89c53b44d45e45afb88ca15871f86ef1B.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S41c4cd1e52a04b44a99f006944ea8505s.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/Se47be9a091f4418784ee848c6c55436fk.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/Sd37ba19f96c84091a9133338214ff5b04.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S12d705854ee54e208dcddc9f3ee894dfh.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/Sf08659dac7084745af59868ee58c903cc.jpg" slate-data-type="image"/><img src="https://ae01.alicdn.com/kf/S7a1a3e75806f4718acdf3a1f8ab9f65aR.jpg" slate-data-type="image"/></p>
<p><script>window.adminAccountId=251298970;</script></p>
<p><script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-4155153840980932"
 crossorigin="anonymous"></script><br />
<!-- 300x300 --><br />
<ins class="adsbygoogle"
 style="display:block"
 data-ad-client="ca-pub-4155153840980932"
 data-ad-slot="3394055809"
 data-ad-format="auto"
 data-full-width-responsive="true"></ins><br />
<script>
 (adsbygoogle = window.adsbygoogle || []).push();
</script></p>
<p><a href="https://www.aliexpress.com/item/3256805403484427.html"><img src="https://valvepress.s3.amazonaws.com/imgs/buy_now.png"></a> </p>

