OSG Spiral Flute Tap: 5/8"-11 UNC, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0139308)

The OSG spiral flute tap 0139308 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threading is required.

The OSG spiral flute tap 0139308 has a thread size of 5/8"-11 UNC, with an H5 tolerance class suitable for 2B-3B fit. It features 4 flutes and a bottoming chamfer for threading to the bottom of blind holes. The manufacturer part number is 0139308.

You can source the OSG spiral flute tap 0139308 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this OSG tap.

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., 5/8"-11 UNC), tolerance class (H5 for 2B-3B fit), and chamfer type (bottoming for blind holes). OSG taps are engineered for specific materials; use a spiral flute design for steel and stainless steel to ensure chip evacuation and thread quality.