Cleveland C54523 Tap Set 5/16-24 Unf Hss 3 Piece

Product Description

The CLEVELAND C54523 is a three-piece tap set ground from high speed steel and finished bright for use in threading 5/16-24 UNF holes in metal workpieces. The set includes all three chamfer styles — bottoming, plug, and taper — giving machinists and maintenance technicians the full sequence needed to cut clean, accurate threads from start to finish. At 2.719 inches overall length with a 0.690-inch thread length, the taps are sized for standard hand-tap or machine-tap operations in production and repair environments. The four-flute geometry supports chip evacuation in ferrous and non-ferrous materials alike.

This tap set is suited to general metalworking, maintenance, repair, and overhaul applications where 5/16-24 UNF internal threads are required. The unified fine thread standard makes it a common choice for fastener repair in automotive, HVAC equipment frames, electrical enclosures, and light industrial assemblies. Right-hand thread direction and H3 thread limit make this set compatible with standard 5/16-24 UNF fasteners used across a wide range of trade and shop applications.

Key Features

• Three-piece set includes bottoming, plug, and taper chamfer taps for complete thread-cutting sequences
• High speed steel construction provides wear resistance for threading steel, aluminum, and similar materials
• Four flutes promote chip clearance and consistent thread form
• Bright finish with no coating — suitable for use with cutting fluid in standard tapping operations
• H3 thread limit ensures dimensional consistency with standard UNF fasteners
• Right-hand thread direction, 5/16-24 UNF, Series 1004

Compatibility

Designed for cutting 5/16-24 UNF right-hand internal threads in applications requiring unified fine thread form. Consult fastener and equipment specifications to confirm H3 thread limit tolerance is appropriate for the intended application.

Installation Notes

Tapping operations should be performed by a qualified machinist or maintenance technician following standard shop safety practices. Secure the workpiece firmly before tapping and use an appropriate cutting fluid to extend tap life and improve thread quality. Always start with the taper tap to establish the thread, follow with the plug tap, and use the bottoming tap last when threading to the bottom of a blind hole. Inspect threads with a go/no-go gauge after cutting to verify dimensional compliance.