Description <br> Spiral Tap the c bs into a spiral up chip evacuation, it is more suitable for the processing of blind holes <br> High hardness, fast cutting, wear high temperature. <br> Spiral groove is conducive to remove c bs, not easily broken tap. <br> sticky materials processing. <br> <br> Applicable Workpiece: tensile strength 750N / mm 2 or less the low-carbon steel, copper, aluminum, <br> magnesium alloy; anti-bonding strength 600 ~ 900N / mm 2 the high-carbon steel, alloy steel, bronze, etc. <br> size: <br> M3: 3mm*0.5mm <br> M4: 4mm*0.7mm <br> M5: 5mm*0.8mm <br> M6: 6mm*1mm <br> M8: 8mm*1.25 mm <br> Material:Metal <br> colour:Gold + Silver <br> <br> Package Contents: <br> 5 * Titanium screw tap <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>