3 Pics Titanium Coated Step Drill Bits 1/4" HSS Hex Shank ，4-32mm 4-20mm 4-12mm</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>This is HSS High Speed Steel Step Drill/Pagoda Drill Bit</li><li>With the Titanium coated to reduce friction and heat.</li><li>It is very suitable for using to cut holes in a variety of materials including steel， brass， wood， p</li><li>Shaft Type: Hex Shank</li><li>Surface treatment: Ti</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41vd9DMSbyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Dy0wiKSEL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41b2DDQMS6L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/314Q3eMQqjL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31RJHTgVeAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41bo8273PwL.jpg' noproxy></br>