5PCS Countersink Drill Bit Set, Premium HSS Countersink Drill Bit With 82-Degree, 5 Flutes 1_4 Inch Quick-Change Hex Shank, 1_4 Inch To 3_4 Inch Size, Counter Sink Drill Bits For Wood, Metal, Plastic

1 ??1_4" Hex Shank??This set of countersink bits includes 5 different sizes - 1_4"(6 mm), 3_8"(10 mm), 1_2"(13 mm), 5_8"(16 mm), 3_4"(19 mm) These drill bit feature a 1_4" hex shank, making them compatible with all types of drill bits and mold grinders,2 ??Enhanced Efficiency??With 5 flute design, countersink drill bits ensure efficient debris removal, resulting in smoother and cleaner countersinking??ensuring screws and fasteners sit flush??, saving time and effort during your projects,3 ??Widely Application??Our metal countersink drill bit can be used for drilling holes in medium hardness stainless steel, copper, aluminum, plywood, softwood, hardwood and fiberglass plasticsMeet all your DIY needs