Description: 【Combination Drill Tap Bit Set】: This Combination Drill Tap Bit Set features a high speed steel hex shank with a blue composite tap, offering good drilling and chamfering capabilities. 【Material】: Made from high speed steel, this HSS Spiral Tap Drill Bit is designed for durability and long term performance. 【Easy Use】: The 6 piece Combination Drill Taps Bit Set is easy to use, no other professional skills are needed. 【Package Contents】: Each package comes with six pieces of the high speed steel hex shank blue composite tap. 【Versatile Use】: The Drill Tap Combination Bit Set is ideal for use in various drilling and threading applications in machinery industries or DIY projects at home or workshops. Specification:M3: 0.5mm pitch, 32mm blade length, 22mm handle length, 54mm total length), M4: 0.7mm pitch, 32mm blade length, 22mm handle length, 54mm total length, M5: 0.8mm pitch, 34mm blade length, 22mm handle length, 56mm total length, M6: 1 mm pitch,35 mm blade length ,22 mm handle Length ,57 mm total Length, M8: 1.25 mm pitch,36 mm blade Length ,22 mm handle Length ,58 mm total Length, M10: 1.5 mm pitch ,36 mm blade Length ,22 mm handle Length ,58 mm total Length Package Includes: 6 Combination Drill Tap Bits Note: Please allow slightly errors due to manual measurement and different monitors.