6PCS M3-M10 High Speed Steel Quick Change Hex Screw Tap Drill Bits Hss Taps Countersink Deburr Set Metric Combination Bit

Specifications: Name: Hexagon handle compound Tap Drill Bits Metric : M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5 Material: High-speed steel(HSS ) Suitable for soft metal, aluminum, iron Type:Silver,gold(optional) Size: M3x0.5: Total length: 55mm, Spiral length: 24mm, drill diameter: 2.5mm M4x0.7: Total length: 54mm, Spiral length: 24mm, drill diameter: 3.3mm M5x0.8: Total length: 58mm, Spiral length: 28mm, drill diameter: 4.2mm M6x1: Total length: 58mm, Spiral length: 28mm, drill diameter: 5.0mm M8x1.25: Total length: 59mm, Spiral length: 18mm, drill diameter: 6.8mm M10x1.5: Total length: 59mm, Spiral length: 20mm, drill diameter:8.5mm Square handle: 6.35mm (Notice: Manual measurement may be a little error please understand!)

Package include: 6x Hexagon handle compound Tap Drill Bits

Notice: Manual measurement may be a little error please understand.