Titex UFL HSS-E Grade Drill | Cutting Tool Engineering,Amazon.com: uxcell M8 x 1.25 Spiral Flute Tap 6.8mm Drill,13mm HSS-G Metric MM Drill Bits for Drilling Metal Iron Wood,Amazon.com: uxcell M8 x 1.25 Spiral Flute Tap 6.8mm Drill,Amazon.com: uxcell M8 x 1.25 Straight Flute Thread Tap and,