OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute

This OSG spiral flute tap is designed for threading steel and stainless steel. The #4-48 UNF size and modified bottoming chamfer make it suitable for through-hole or blind-hole applications where chip evacuation is critical. It is commonly used in precision machining, automotive, and aerospace manufacturing.

The OSG spiral flute tap, MPN 1748801, has a #4-48 UNF thread size, H2 / 2B-3B tolerance class, and a 2-flute design with a modified bottoming chamfer. It is a spiral-flute tap optimized for steel and stainless steel. These specs ensure accurate thread forming and efficient chip removal in production environments.

3G Electric supplies OSG spiral flute taps like the #4-48 UNF (1748801) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial distributor, we source and deliver these precision taps for manufacturing and maintenance needs. Contact us for availability and lead time.

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., #4-48 UNF), tolerance class (H2 / 2B-3B), and chamfer type (modified bottoming) to your application. Spiral flute taps are ideal for blind holes in steel and stainless steel as they pull chips upward. Always verify material hardness and tap coating for optimal performance.