Cleveland C54449 Hand Tap 1/4-20 Unc Plug 4-flute Hss

Product Description

The CLEVELAND C54449 is a 1/4-20 UNC straight-flute hand tap designed for cutting internal threads in both blind holes and through-holes. Built from high speed steel (HSS) with a bright uncoated finish, it features a plug chamfer, 4-flute geometry, and a right-hand thread direction. The overall length is 2.5 inches with a thread length of 0.63 inches. The H2 thread limit designation provides a controlled tolerance fit for Class 2B threaded connections. This tap is intended for use by machinists, tool-and-die workers, and maintenance professionals working in production or repair applications.

The C54449 is suited for both blind hole and through-hole threading operations across a range of metalworking applications. The plug chamfer style makes it appropriate as a starting tap or as a single-tap solution in through-hole work. Compatible material applications include alloy steel, aluminum, carbon steel, and free-machining stainless steel. It is part of the Cleveland Series 1002 tap line and is sold individually.

Key Features

• High speed steel construction for durability across steel and aluminum workpieces
• Bright uncoated finish — no coating buildup interference on close-tolerance threads
• 4-flute straight-flute design provides balanced cutting and chip clearance
• Plug chamfer with 3-5 lead threads allows use in through-hole or as a starter in blind-hole sequences
• H2 thread limit ensures Class 2B fit compliance on 1/4-20 UNC threads
• Right-hand thread direction — compatible with standard tapping handles and machine tap holders

Compatibility

Designed for 1/4-20 UNC internal thread cutting in alloy steel, aluminum, carbon steel, and free-machining stainless steel workpieces. Part of Cleveland Series 1002.

Installation Notes

This tap is installed by a machinist or maintenance technician using a standard tap wrench or machine tap holder. Before tapping, ensure the workpiece is secured and the correct drill size for a 1/4-20 UNC thread has been used to prepare the hole. Apply appropriate cutting fluid for the workpiece material to extend tap life and improve thread quality. Do not force the tap — back off periodically to break chips, especially in blind-hole applications.