OSG Spiral Flute Tap: #4-40 UNC, 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2211401)

The OSG Spiral Flute Tap #4-40 UNC is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design efficiently evacuates chips upward, preventing clogging and ensuring clean threads. This tap is ideal for general-purpose machining in automotive, aerospace, and industrial manufacturing applications.

The OSG Spiral Flute Tap has a #4-40 UNC thread size, 2B class of fit, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2211401. It is a general-purpose spiral-flute tap suitable for threading blind holes in various materials.

You can source the OSG Spiral Flute Tap #4-40 UNC 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 provide reliable sourcing and supply for this OSG tap.

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., #4-40 UNC), class of fit (2B), and chamfer type (modified bottoming) to your application. Ensure the tap has sufficient flute length for chip evacuation. For best results, use appropriate cutting fluid and follow OSG's recommended speeds and feeds.