OSG Threading Tap - BA Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 7BA G This combination of quality materials

This combination of quality materials and thoughtful design makes it a dependable choice for both professionals and serious hobbyists

This 2-flute carbide end mill delivers smooth surface finishes and predictable chip evacuation

this reamer is built from HSS‑E cobalt (M35) for enhanced wear resistance

Length: Long length / extra-long series

Material / Coating: Carbide Grade BLU PVD triple-layer coating (sub-micron)

OSG Threading Tap - BA Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 7BA G This combination of quality materialsThe OSG BA Spiral Flute Threading Tap is a precision tool designed for 7BA blind hole threading, built for machinists who demand reliable, repeatable results in tight or hard to reach bores. Thread Size: 7BA (British Association) for fine pitch threading in blind holes. Flute Design: Spiral flute optimized for efficient chip evacuation in blind hole applications. Material: HSS E (high speed steel with cobalt) for enhanced hardness and heat resistance.