The OSG Threading Tap BSF A-Spiral Point is built for professionals who need precise British Standard Fine threads in through-holes. This right-hand tap combines a TiCN-coated powder-metal body with an A-Spiral Point to deliver fast, clean cutting in a range of materials, with through-holes per DIN2184-1 and a size of 5/16 in diameter, 22 TPI.

• Thread Type: BSF (British Standard Fine) threading designed for through-holes per DIN2184-1
• Geometry: A-Spiral Point guides chips forward to reduce clogging and ensure smooth tapping
• Material: Powder Metal construction for high strength, wear resistance, and reliability in demanding jobs
• Coating: TiCN coating enhances tool life and enables more consistent cutting at higher speeds
• Orientation: Right-Hand tapping for common BSF applications
• Size: 5/16" diameter, 22 threads per inch (5/16 x 22)
• Application: Specifically suited for through-holes, adhering to DIN2184-1 standard
• Brand: OSG, a recognized name in precision threading tools

In practice, this tap delivers dependable performance where BSF threads are required in through-holes. The TiCN coating reduces wear over time, supporting longer intervals between tool changes, while the powder-metal core provides the toughness to withstand repetitive tapping cycles. The spiral-point design helps push chips ahead, minimizing built-up material and providing a cleaner finish with less risk of deformation. Ideal for precision assemblies, automotive components, and general metalworking where accurate BSF threads are essential.