Precision Twist Drill 5999900 99-Piece High-Speed Steel Drill Bit Set

The Precision Twist Drill 5999900 is a comprehensive 99-piece high-speed steel (HSS) drill bit set designed for professional and industrial drilling applications. Manufactured by Precision Twist Drill, a trusted American brand with decades of experience in cutting tool engineering, this set delivers consistent performance across a wide range of materials including steel, aluminum, wood, and plastics.

Key Features:

• 99-piece set covering a broad range of drill bit sizes for versatile use
• Constructed from high-speed steel (HSS) for durability and heat resistance
• Black oxide finish helps reduce friction and extends bit life
• 135° split point tip for fast penetration and reduced walking on contact
• Designed for use in hand drills, drill presses, and CNC equipment
• Organized indexed storage case included for easy bit identification and access
• Meets or exceeds ANSI standards for cutting tool performance

Whether you are a machinist, maintenance technician, or serious DIYer, the Precision Twist Drill 5999900 set provides a reliable, go-to solution for everyday drilling needs. The indexed case keeps bits organized and protected, reducing downtime on the job.