Precision Twist Drill 6000989 R15 Cobalt Steel Jobber Length Drill Bit Set

The Precision Twist Drill 6000989 is a professional-grade R15 Cobalt Steel Jobber Length Drill Bit Set engineered for demanding drilling applications in hard metals, stainless steel, cast iron, and high-temperature alloys. Built to the exacting standards PTD is known for, this set delivers the heat resistance and edge retention required for production and industrial environments.

Key Features:

• Cobalt (M42) High-Speed Steel Construction: Superior heat and wear resistance compared to standard HSS bits, ideal for drilling hardened and abrasive materials
• Jobber Length: Standard jobber-length geometry provides the ideal balance of rigidity and reach for general-purpose drilling
• 135° Split Point Tip: Self-centering tip reduces walking and eliminates the need for a center punch, improving hole accuracy
• Gold Oxide Finish: Provides corrosion resistance and helps identify the cobalt grade at a glance
• Precision Ground Flutes: Ensure smooth chip evacuation and consistent hole quality
• Made in the USA: Manufactured by Precision Twist Drill, a trusted American brand with a long history in cutting tool manufacturing

The Precision Twist Drill R15 cobalt drill bit set is a reliable choice for machinists, maintenance professionals, and fabricators who require consistent performance on tough materials. Each bit in the set is manufactured to tight tolerances for repeatable, accurate results.