• 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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