The OSG BSF A-Spiral Point Threading Tap is a precision tool designed for through-hole British Standard Fine threads, ideal for machinists and metal fabricators who demand consistent, reliable tapping performance. Built with a powder-metal body and TiCN coating, it delivers durability and high-speed capability for demanding applications.

• Size and Thread: 3/8" x 20 BSF through-hole threading; DIN2184-1 compatible
• A-Spiral Point Design: Directs chips forward to reduce clogging and maintain smooth, continuous tapping
• Material: Powder-metal construction for enhanced strength, wear resistance, and heat tolerance
• Coating: TiCN coating lowers friction and extends tool life, supporting higher cutting speeds
• Thread Direction: Right-hand threading for standard BSF applications
• Hole Type: Specifically optimized for through-hole tapping to ensure consistent thread quality

This tap improves productivity by promoting efficient chip evacuation, reducing the need for rework, and delivering repeatable thread dimensions across production runs. The combination of powder-metal substrate and TiCN coating provides durability in demanding cutting conditions, helping maintain sharpness and performance over time. Ideal for shops and manufacturing environments that require robust, precise BSF threading in through-holes with minimal downtime and dependable results.