Neiko 10052A Spot Weld Drill Bits, High Speed Cobalt Steel with Titanium Coating8mm ,5/16-Inch

[APPLICATION]: Use this spot weld drill bit to separate spot welds and resistance spot welding panels without distorting the sheet metal. , [HEAVY DUTY]: Special grade high speed steel cobalt mix is designed for long service life to withstand quick speed running rate. , [DURABLE]: Heat resistant titanium coating withstands high-performance metal and wood drilling when used in high temperature environments. , [PRO GRADE]: Flat ground surface on bottom half of bit provides additional strength and chuck hold on any welding drill. , [PRECISE]: Nibbed pilot tip design increases accuracy and prevents slipping when held down for marking purposes. , [SIZE]: Standard 8mm bit at 1-3/4" (45mm) length is commonly used for locating spot welds in automobile frames.