The OSG BSW Spiral Flute Threading Tap is a precision tool built for machinists who require clean, accurate internal threads in blind holes. With its HSS‑E cobalt composition and steam oxide coating, it delivers dependable performance under demanding cutting conditions.

• Size and Thread: 7/32" diameter, 24 TPI, British Standard Whitworth (BSW) thread
• Flute Design: Spiral flute for efficient chip evacuation in blind-hole applications
• Material: HSS‑E (high‑speed steel with cobalt) for enhanced hardness and wear resistance
• Coating: Steam oxide coating provides improved wear resistance and lubrication retention
• Application: Optimized for threading inside blind holes with dependable thread form
• Brand Advantage: Utilizes OSG’s advanced threading technology for consistent, high‑quality results
• Usage Note: Compatible with standard tapping setups and practices; use appropriate cutting fluid for best longevity

The combination of spiral flutes, cobalt-enhanced steel, and a durable steam‑oxide finish translates to longer tool life, steadier cutting action, and clearer thread formation in challenging blind-hole work. You’ll experience smoother chip clearance, reduced risk of binding, and reliable, repeatable threads that meet tight tolerances in critical components such as housings, brackets, and fixtures. This tap is ideal for shops and job sites that prioritize precision, durability, and efficient metalworking workflows.