Century Drill Tool 95404 1/4-28 Tap Drill Bit Combo 2 Pack

Product Description

The CENTURY DRILL TOOL CO INC 95404 is a 1/4-28 National Fine fractional tap and number drill bit combo set, packaged as a 2-unit set. The tap delivers precision-cut threads that are accurately formed for consistent, repeatable threading results. The tool is heat treated and tempered to file-hard hardness, extending service life and maintaining thread accuracy across repeated use. Designed for hand cutting applications, this combo set gives trades workers and machinists the matched tap and drill bit needed to complete a threaded hole from start to finish in one package.

This combo set is suited for hand tapping operations in metal fabrication, mechanical maintenance, and light industrial repair work. The 1/4-28 National Fine thread specification is commonly used in applications requiring finer thread engagement and greater thread strength compared to coarse thread equivalents. The included number drill bit is sized to produce the correct pilot hole for the 1/4-28 tap, eliminating the guesswork of bit selection. Suitable for use by HVAC technicians, plumbers, electricians, and general maintenance professionals when field threading is required.

Key Features

• 1/4-28 National Fine fractional tap for precise thread cutting
• Matched number drill bit included for correct pilot hole sizing
• Heat treated and tempered to file-hard finish for extended tool life
• Precision-formed threads for consistent, repeatable results
• Designed for hand cutting applications
• Sold as a 2-unit pack

Compatibility

Designed for hand tapping applications requiring 1/4-28 National Fine thread specification in metal and similar materials.

Installation Notes

This tap set is intended for hand cutting use only. Secure the workpiece firmly before beginning and apply cutting fluid appropriate for the material being threaded to reduce friction and improve thread quality. Reverse the tap periodically during cutting to break chips and prevent binding. Follow applicable safety practices for hand tool use in the trade environment.