2pcs Spiral Flute Taps:Thread size: M2 x 0.4 (right hand); thread length: 10mm / 0.39"; square shank: 2.5mm / 0.1"; total length: 44mm / 1.73"2pcs Twist Drill Bits:Drill size: 1.6mm (right hand); cutting edge length: 21mm / 0.83"; shank dia.: 1.6mm / 0.06"; total length: 43.5mm / 1.71"Descriptions:Thread tap adopts spiral flute design, with clear threads and no burrs. Screw tap provides upward chip removal, fast and precise tapping, suitable for processing blind holes and sticky materials.Twist drill bit adopts a spiral flute chip space design to remove chips quickly and cleanly. Cutting edges provide neat and smooth cuts. Use an appropriate lubricant (such as cutting fluid or oil) to reduce friction and heat build-up.
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