ITEM NAME:5 Pieces Titanium Slot Spiral Tapping Thread For Drill Screw Holes Description: 5 pieces screw tap(M3, M4, M5, M6, M8). All-steel design with chromium-plated finish for the highest durability. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Easy to carry, it can be operated freely in a small space. Perfect for auto repair and machinery. Specification: Material: 6542 Metal Main Color: Golden Screw Tap Size: M3: 0.5 , M4: 0.7, M5: 0.8 ,M6: 1.0 ,M8: 1.25 Package Includes: 5 Pieces Screw Taps Note: Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you.5 pieces screw tap(M3, M4, M5, M6, M8). Screw Tap Size: M3: 0.5, M4: 0.7, M5: 0.8 ,M6: 1.0 ,M8: 1.25. Easy to carry, it can be operated freely in a small space. Perfect for auto repair and machinery.