1pcs HSS Metric Spiral Point Machine Screw Tap Drill M3\/ M4\/ M5\/ M6\/ M8<br>Descrpiton:<br> Material: HSS <br> Surface treatment: TiSize:M3\/ M4\/ M5\/ M6\/ M8<br> Type 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 mmQuantity:1pc<br>  Feature:Metric sprial point machine tapHigh hardness， fast cutting with HSS material titanium coatedSpiral groove design conducive to remove crumbs， not easily broken tap<br> Spiral Tap the crumbs into a spiral up chip evacuation， it is more suitable for the processing of blind holes and <br> sticky materials processing.<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.  Package Included:1X Spiral Point Machine Screw Tap