Precision Twist Drill 5999538 R57 General Purpose Taper Length Drill Bit HSS Bright

The Precision Twist Drill 5999538 is a R57 Series General Purpose Taper Length Drill Bit designed for reliable performance across a wide range of materials and drilling applications. Built from High-Speed Steel (HSS) with a bright finish, this taper length drill offers an extended flute and overall length compared to standard jobber drills, making it ideal for deeper hole applications where additional reach is required.

Key Features:

• Series: R57 General Purpose Taper Length
• Material: High-Speed Steel (HSS)
• Finish: Bright — improves chip flow and reduces heat buildup
• Point Style: 118° conventional point for easy centering and versatile use
• Cutting Direction: Right-hand cutting
• Shank Type: Straight shank for compatibility with standard drill chucks
• Flute Style: Spiral flute for efficient chip evacuation

Compatible Materials:

• Plain carbon steel and alloy steel
• Structural steel and case-hardening steel
• Brass, bronze, and copper
• Aluminum and non-ferrous materials
• Cast iron and malleable iron

The R57 taper length drill is a trusted choice for machinists, fabricators, and industrial users who require a longer reach than a standard jobber drill without sacrificing rigidity. Precision Twist Drill, a brand of Dormer Pramet, has been manufacturing precision cutting tools for engineering environments since 1952, serving aerospace, automotive, and general manufacturing industries.