13Pcs Drill Tap Set With Quick-Change Adapter,Sae/Metric Drill And Tap 3-IN-1 : The drill bit and tap combination drill bit kit simplifies the functions of drilling, tapping, and countersunking into one, enabling you to complete tasks without the need to replace the drill bit Versatile Sizes: This tap bit set includes 6 pcs SAE sizes drill bits 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, 1/4-20NC and 6 pcs Metric sizes drill bits M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5 Easy To Use: Our tapping drill bit kit with a 1/4-inch hexagonal shank adapter for quick change is simple to operate, widely applicable, and neatly placed in boxes with marked compartments for precise pick and storage High Quality Material:The metal drill bit is fabricated with high-speed steel material, featuring superior wear resistance and cutting ability. The titanium coating on the surface helps prevent heat accumulation and considerably prolongs the drill bit's service life Widely Applicable?Suitable for drilling, tapping, deburring of wood, plastic, iron, aluminum, copper, soft metals, etc