Century Drill Tool Co Inc 11609 Letter I Hss Drill Bit

Product Description

The CENTURY DRILL TOOL CO INC 11609 is a Letter I size high speed steel drill bit designed for general-purpose drilling across a wide range of common materials. It features a precision-ground 118-degree point, which is the standard included angle for versatile, everyday drilling tasks. The bright finish indicates an uncoated HSS construction, keeping costs down while delivering reliable performance for typical shop and field use. This bit is compatible with both stationary drill presses and portable handheld drills, making it a practical option for HVAC techs, plumbers, electricians, and general tradespeople who need a dependable letter-size bit on the job.

Letter-size drill bits like the 11609 fill the gap between fractional and number-gauge sizes, and the Letter I diameter is commonly used in trade applications for pilot holes, clearance holes, and tap-drilling operations in wood, metal, and plastic. The package contains 3 bits, which supports high-volume use or provides replacements when bits wear or break during demanding drilling sessions. This bit is suited for light fabrication, conduit work, bracket mounting, and similar tasks encountered across the mechanical trades.

Key Features

• Precision-ground 118-degree point for accurate starting and general-purpose cutting geometry
• High speed steel construction for durability across wood, metal, and plastic substrates
• Bright finish uncoated HSS suitable for standard drilling applications
• Compatible with stationary drill presses and portable handheld drills
• Package quantity of 3 bits for extended use or on-site backup

Compatibility

Designed as a general-purpose Letter I drill bit compatible with standard 3-jaw chucks on both stationary drill presses and portable electric drills used across the mechanical trades.

Installation Notes

Install the bit securely in the chuck and verify it is centered before operating. Always wear appropriate eye protection when drilling metal or plastic. For drilling metal, use a center punch to prevent the bit from walking at startup. Secure workpieces properly before drilling to prevent movement and reduce the risk of injury.