Precision Twist Drill 5996429 Letter R HSS Jobber Length Drill Bit

The Precision Twist Drill 5996429 is a Letter Size "R" (0.339") Jobber Length drill bit manufactured from High-Speed Steel (HSS). Precision Twist Drill is an American-made brand with decades of experience producing professional-grade cutting tools trusted by machinists, fabricators, and maintenance professionals.

Key Features:

• Size: Letter R — 0.339" diameter
• Material: High-Speed Steel (HSS) for durability and heat resistance
• Style: Jobber length — the most common general-purpose drill bit length
• Point Style: 118° conventional point for versatile use in a wide range of materials
• Flute Type: Right-hand cut, standard helix for efficient chip evacuation
• Finish: Bright (uncoated) finish
• Shank: Straight shank compatible with standard drill chucks

Designed for drilling into steel, cast iron, aluminum, wood, and plastics, this Jobber length drill bit offers the ideal balance of rigidity and reach for everyday drilling tasks. Precision Twist Drill products are manufactured to tight tolerances, ensuring consistent, accurate hole sizing in production and maintenance environments.