6.3-20.5mm 6PCS HSS Countersink Drill Tool Bits For Woodwork Plastic Steel UF. 5PCS COUNTERSINK AND SCREW SET PILOT DRILL-BITS COUNTER SINK SCREW SINK Tools UF. 4-32mm Step Cone Drill Bit Set HSS Titanium Coated Hex Shank Hole Cutter UF.
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