4pcs 1.6mm C3/K10 Tungsten Carbide Precision Straight Shank Twist Drill Bit - Silver Tone
$14.49
Size - Cutting edge diameter: 1.6mm / 0.063"; cutting edge length: 16mm / 0.63"; shank diameter: 1.6mm / 0.063"; overall length: 40mm / 1.57"; cutting hardness (max