YG-1 B0665 5 8"-18 Spiral Flute Bottoming Tap 4F GH5 HSSE-V3

Description:

The YG-1 B0665 Bottoming Tap is used in industrial machining systems to produce precise internal threads in blind holes with efficient chip evacuation. Commonly installed in CNC machining centers and tapping operations where high-performance threading and accuracy are required. Maintenance teams and system integrators use this part for replacement, tooling setup, or retrofit to ensure consistent thread quality and reliable machining performance.

Applications:

The YG-1 B0665 Bottoming Tap is used in industrial environments requiring precision thread cutting, commonly applied in CNC machining, metal fabrication, tool and die work, and manufacturing processes to produce 5/8"-18 threads in blind holes with improved chip removal and surface finish.

Technical Specifications:

• Brand: YG-1
• Part Number: B0665
• Product Type: Bottoming Tap
• Thread Size: 5/8"-18
• Thread Type: Unified fine thread
• Flute Count: 4 flute
• Tap Type: Spiral flute bottoming tap
• Material: HSSE-V3 (High-Speed Steel with cobalt and vanadium)
• GH Limit: GH5
• Cutting Direction: Right-hand thread
• Application: Internal threading in blind holes
• Compatibility: CNC and manual tapping operations

Common Replacements:

• YG-1 B0666 Spiral Flute Tap
• OSG 5/8"-18 Spiral Flute Tap
• Emuge 5/8"-18 Bottoming Tap