Machine Tap FANAR 1/4"-20 UNF – thread cutting tool, model C2-111101-4127

FANAR machine tap 1/4"-20 UNF model C2-111101-4127 is a purpose-built thread cutting tool for producing internal 1/4-20 unified fine threads in metal components. Designed for use in tapping heads, automatic tapping machines or machine spindles, this tap is intended for repetitive machining and maintenance operations where consistent UNF thread quality and dimensional accuracy are required. The tool is suitable for use in fabrication shops, assembly lines and repair facilities that work with components requiring fine-pitch unified threads.

Advantages

This machine tap offers reliable thread form consistency and stable cutting performance when used with proper machine feeds and speeds. Its geometry is optimized for producing fine unified threads with reduced risk of thread distortion, and the design supports use in serial production thanks to compatibility with common tapping heads and machine spindles. The tool is suitable for both through-hole and blind-hole tapping where machine guidance and coolant application are available.

Suitable for

• Producing 1/4"-20 UNF internal threads in metal parts
• Automated tapping operations in production lines
• Maintenance and repair of mechanical assemblies
• Fabrication workshops and toolrooms requiring fine-pitch unified threads

Key specifications

• Thread type: unified fine (UNF) internal thread
• Thread size: 1/4"-20 (20 threads per inch)
• Tool type: machine tap for use with tapping heads or machine spindles
• Intended materials: common machinable metals (steel, stainless steel, aluminum) when using appropriate cutting parameters
• Application: suitable for through-hole and blind-hole tapping in machine operations

How to use

Install the FANAR machine tap securely in the tapping head or machine spindle with correct axial alignment. Set machine speed and feed to match the material and tap size, and apply suitable coolant or lubricant to reduce cutting forces and improve tool life. For blind-hole tapping, observe recommended depth control and use pecking or chip evacuation cycles as needed. Monitor thread quality during initial runs and adjust cutting parameters to maintain dimensional accuracy and surface finish.

Usage recommendations

Use recommended cutting speeds and feeds specific to the workpiece material, ensure proper coolant flow, and verify machine alignment before full production. Replace the tap if threads show wear, chipping, or deteriorating dimensional quality to prevent part rejects and machine damage.