OSG Spiral Flute Tap: #3-56 UNF, 2B-3B, 2 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap #3-56 UNF is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly applied in automotive, aerospace, and general manufacturing where precise internal threads are required.

The OSG Spiral Flute Tap (MPN 2984600) has a #3-56 UNF thread size, 2 flute design, and bottoming chamfer. It is made of high-speed steel and is rated for thread classes 2B-3B. This tap is designed for general-purpose threading in blind holes, providing chip evacuation and thread accuracy.

You can source the OSG Spiral Flute Tap #3-56 UNF worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG taps to customers across industries.

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #3-56 UNF) and class (2B-3B) to your application. Choose a bottoming chamfer for threading to the bottom of the hole. Ensure the tap material (high-speed steel) suits the workpiece hardness. Consult OSG's technical data for optimal performance.