ITEM NAME:5* HSS Titanium Screw Thread Metric Spiral Plug Tap Drill Bit Hand Tool M3 JUA Descriptio n Description: Features And Methods Of Use: It Is More Suitable For Processing Non-Through-Hole Threads. Experience Tells Us That The Processing Of Ferrous Metals, The Helix Angle Is Chosen To Be Smaller, Generally Around 30 Degrees, To Ensure The Strength Of The Helical Teeth. For The Processing Of Non-Ferrous Metals, The Helix Angle Is Chosen To Be A Little Larger, And It Can Be Cut At About 45 Degrees Specifications: Material: HSS High Speed Steel 6542 Color: Titanium Plating Size: Specification: M3*0.5mm, M4*0.7mm, M5*0.8mm, M6*1mm, M8*1.25mm Package Included: Tap *5 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. We offer you what you need! 5PCS HSS Titanium Screw Thread Metric Spiral Plug Tap Drill Bit Hand Tool M3-M8.Material: HSS High Speed Steel 6542. Size: Specification: M3 0.5mm, M4 0.7mm, M5 0.8mm, M6 1mm, M8 1.25mm. Color: Titanium Plating. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item.