Cleveland C55164 Hand Tap 6-32 Unc Plug Tin Hss

Product Description

The CLEVELAND C55164 is a 6-32 UNC hand tap designed for cutting internal threads in both blind holes and through-holes. Built from high speed steel with a titanium nitride (TiN) coating, it delivers extended tool life and reduced friction during tapping operations. The plug chamfer style provides a gradual thread lead-in, making it well-suited for general-purpose threading tasks. With a 3-flute straight flute configuration and a Class 2B thread fit at H2 thread limit, this tap produces threads within standard tolerance ranges for most fastener applications. Overall length is 2 inches with a 0.38-inch thread length.

This tap is intended for use in machine shops, maintenance environments, and fabrication settings where 6-32 threaded holes are required in ferrous and hard materials. It is appropriate for right-hand threading operations in cast iron, stainless steel, and steel workpieces. The straight flute design handles both blind and through-hole applications, and the TiN coating helps resist wear when working in tougher materials. Machinists and tooling technicians typically deploy this size for instrument panels, electronic enclosures, and light mechanical assemblies.

Key Features

• TiN coating extends tool life and reduces friction in ferrous materials including stainless steel and cast iron
• Plug chamfer with 3-5 thread lead-in allows gradual thread engagement for general-purpose use
• Class 2B fit at H2 thread limit meets standard tolerance requirements for most 6-32 fastener applications
• 3-flute straight flute geometry supports both blind hole and through-hole threading
• Right-hand thread direction, compatible with standard tapping handles and tap wrenches
• High speed steel construction withstands the heat and stress of hand and machine tapping operations

Compatibility

Designed for use in standard 6-32 UNC tapping applications in cast iron, stainless steel, and steel. Part of the Cleveland Series 1002TN product line. Compatible with standard tap wrenches and tapping handles sized for the 0.141-inch shank diameter.

Installation Notes

This tap should be used with an appropriate cutting fluid or tapping compound, particularly when threading stainless steel or cast iron, to reduce heat buildup and extend tool life. Secure the workpiece firmly before tapping and align the tap perpendicular to the hole to avoid thread misalignment or tap breakage. When tapping blind holes, back the tap out periodically to clear chips from the flutes. Use a correctly sized tap wrench matched to the square drive of this tap for proper torque control.