Faithfull Professional Cobalt Jobber Drill Bit 4.0mm 2-Pack FAIPP400COB

Faithfull Professional Cobalt Jobber Drill Bits are manufactured from M35 HSSE steel with 5% cobalt content, enhancing heat resistance and cutting performance. Fully ground with a 135° non-slip split point, these bits provide precise centering for heavy-duty industrial applications. They are designed to cut through alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steels, high-temperature alloys, titanium alloys, high-strength steels, and carbon fiber composites. The bits comply with DIN 388 for high precision tolerances and geometric accuracy, and are compatible with standard drill chucks, drill presses, and handheld drills.

Features

• M35 HSSE steel with 5% cobalt
• 135° non-slip split point
• Fully ground for precision
• Compatible with standard chucks and drills
• DIN 388 compliant for tolerances

Technical specifications

Diameter: 4.0 mm • Overall Length: 75 mm • Pack Size: 2 • Working Length: unspecified • Material: M35 HSSE steel with 5% cobalt