• Mueller-Kueps delivers high quality Spot Welding Drill Bits. • Specifics: High quality standard HSSE (High Speed Steel Cobalt alloyed) • Best standard drill available • Double coated > HSSE-TICN (HSSE-Titanium Carbon Nitride) • 1st PVD Titanium coating • 2nd Carbon Nitride finish • Highest cutting speed • Usable for interrupted cuts • Longest life time for best profitability
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