Precision Twist Drill 5998518 High-Speed Steel Twist Drill Bit

Precision Twist Drill 5998518 is a professional-grade high-speed steel (HSS) twist drill bit engineered for reliable, accurate drilling in a wide range of materials including steel, cast iron, aluminum, wood, and plastics. Manufactured by Precision Twist Drill — a trusted name in cutting tools for over a century — this bit delivers consistent performance in both hand-held and machine drilling applications.

Key Features:

• Constructed from premium high-speed steel (HSS) for durability and heat resistance
• Precision-ground flutes for efficient chip evacuation and reduced heat buildup
• 135° split-point tip for fast starts without center-punching and reduced walking
• Bright finish suitable for general-purpose drilling across multiple materials
• Manufactured to tight tolerances for accurate, on-size holes
• Compatible with standard drill chucks for handheld drills and drill presses

Precision Twist Drill has been producing cutting tools in the USA since 1885, and the 5998518 reflects that legacy of quality craftsmanship. Whether used in a production shop or on the jobsite, this drill bit provides the dependable cutting performance professionals demand.