Feature:Designed with spiral flutes, better chip clearing process.Back tapered beyond tap to prevent thread break from over-drilling.Self-centering point, do not need assistant center drilling or center punching. Complete hole drilling, tapping, deburring and countersink in one operation with power drill, saves labor and time.Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron etc. NOTE: The material’s temperature will get very high during drilling, please add some water or coolant to avoid it get smoke. Specification:Material: M35 HSS (Containing Cobalt) Surface Treatment: Ti CoatedThread Size: M3Shank Side Width: 3mm / 0.12 inchThread Length: 12mm / 0.47 inchTotal Length: 49mm / 1.93 inch Package Content:1 x Thread Screw Tap1 x Plastic Package Box.
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