Precision Twist Drill 5995748 Letter R HSS Jobber Length Twist Drill Bit

The Precision Twist Drill 5995748 is a Letter Size "R" High-Speed Steel Jobber Length Drill Bit engineered for reliable, accurate drilling in a wide range of materials including steel, aluminum, brass, cast iron, and other metals. Manufactured by Precision Twist Drill — one of North America's most trusted cutting tool brands — this bit delivers consistent performance in both production and maintenance environments.

Key Features:

• Letter Size R — equivalent to 0.3390" (8.611 mm) diameter
• High-Speed Steel (HSS) construction — provides excellent hardness and heat resistance for general-purpose metal drilling
• Jobber length — standard flute and overall length for versatile, everyday drilling applications
• 118° point angle — conventional split-point geometry for accurate starting and reduced walking on flat surfaces
• Right-hand cutting — compatible with standard drill presses, hand drills, and CNC equipment
• Bright finish — uncoated HSS for easy visual inspection and general use

The Precision Twist Drill 5995748 is an ideal choice for machinists, fabricators, and maintenance professionals who require dependable, precision-ground tooling at a competitive value. It meets or exceeds ANSI standards for twist drill geometry and tolerances.