Precision Twist Drill 6001851 Letter R HSS Jobber Length Drill Bit

The Precision Twist Drill 6001851 is a Letter Size "R" High-Speed Steel (HSS) Jobber-Length Drill Bit engineered for accurate, clean drilling in a wide range of materials including steel, cast iron, aluminum, brass, and most plastics. Precision Twist Drill has been a trusted name in American-made cutting tools since 1882, and this bit reflects that legacy of quality and consistency.

Key Features:

• Letter Size R — equivalent to 0.3390" (8.61 mm) diameter
• High-Speed Steel (HSS) construction — provides excellent wear resistance and heat tolerance for general-purpose drilling
• Jobber-length design — the standard, most versatile drill bit length for the widest range of drilling applications
• 118° conventional point angle — ideal for drilling into a broad variety of materials
• Bright (uncoated) finish — allows easy visual inspection and is suitable for most standard drilling tasks
• Right-hand cut with right-hand spiral flute — standard configuration compatible with all common drill presses and hand drills
• Precision-ground flutes — promote efficient chip ejection and cooler cutting temperatures

Manufactured to ANSI/ASME B94.11M standards, the Precision Twist Drill 6001851 delivers the tight tolerances and consistent performance that machinists, maintenance technicians, and fabricators depend on. It is sold as a single drill bit.