1、6 Different Sizes: From M3 to M10, there are 6 different sizes of 1/4in hex shank taps for you to tap various threads 2、Spiral Grooves Design: The tap adopts a spiral grooves design, which has a better chip removal effect and a smooth tapping experience. 3、High Speed Steel: These taps are made of high speed steel, which has high hardness and rust resistance, and is more accurate 4、Fast Change Chuck: The pops up fast change chuck can be matched with the tap to work in hard reaches scenes. The installation is simple, convenient and practical 5、Application: Used for drilling, tapping, chamfering, drilling holes in wood, copper, brass, aluminum, metal plates and plastics 6 x Tap 1 x Pops up Fast Change Chuck Item Type: Spiral Combination TapMaterial: High Speed SteelUses: Used for drilling, tapping, chamferingTap Specifications: Approx. M3x 0.5mm / 0.02in, M4x 0.7mm / 0.03in, M5x 0.8mm / 0.031in, M6x1mm / 0.04in, M8x 1.25mm / 0.05in, M10x 1.5mm / 0.06inShank Type: Hex ShankShank Size: 1/4in