The 4mm Faithfull Professional Cobalt Jobber Drill Bit is supplied in a pack of 2, providing excellent versatility for one of the most commonly used drill bit sizes in professional workshops. This diameter is perfect for general metalworking applications and is frequently specified for clearance holes in steel fabrication and engineering work. Featuring M35 HSSE grade steel construction with 5% cobalt content, this bit delivers exceptional performance when drilling hard and abrasive materials. T
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