Precision Twist Drill 6000143 29-Piece HSS Jobber Drill Bit Set Fractional Sizes

The Precision Twist Drill 6000143 is a 29-piece high-speed steel (HSS) jobber-length drill bit set covering a full range of fractional inch sizes from 1/16" to 1/2" in 1/64" increments. Designed for professional tradespeople and industrial users, this set delivers consistent, accurate drilling performance across a wide variety of materials including steel, aluminum, wood, and plastics.

Key Features:

• 29-piece fractional set ranging from 1/16" to 1/2" (1/64" increments)
• Manufactured from premium high-speed steel (HSS) for durability and heat resistance
• Jobber-length design provides versatility for general-purpose drilling
• 135° split-point tip reduces walking and starts on contact without center-punching
• Black oxide finish for improved lubricity and corrosion resistance
• Stored in a sturdy metal index case for organized access and long-term storage
• Meets or exceeds ANSI standards for dimensional accuracy

Precision Twist Drill has been a trusted manufacturer of high-quality cutting tools since 1882. The R15 Series is engineered for demanding shop and field applications where accuracy and tool longevity are critical.