GORCHEN Countersink Drill Bit Kit Set Woodworking Screw Hole Cutter Assortment Quick Change Adjustable Depth
<b>WARRANTY & CUSTOMER SERVICE:</b> <br>GORCHEN provides 30 Days Warranty and Lifetime Product Support. <br>Within this period, if the countersink drill bit gets broken after usage or for any reason you are not satisfied with it, <br>please contact us for new replacements or return, we will resolve any possible issue for you. <br> <br><b>MORE DETAILS:</b> <br>All 7 bits can drill a screw hole whose screw head position diameter is 9.3mm (0.37 inch). <br> <br><b>USAGE SUGGESTION:</b> <br>To avoid countersink drill bits become overheated and get burned up due to fast rotary friction, <br>we suggest customers to use cutting fluid to keep the bits cold during usage. <br> <br><b>PACKAGE LIST:</b> <br>7 x Countersink Drill Bits (7 Listed Sizes) <br>1 x Allen Wrench <br>1 x Plastic Storage Case