OSG 3/8"-24 UNF Spiral-Flute Extension Tap for Steel & Stainless Steel

The OSG Extension Tap 0144501 is designed for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, preventing clogging, while the bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.

The OSG Extension Tap 0144501 has a thread size of 3/8"-24 UNF, with a thread tolerance of H3 / 2B-3B. It features 3 flutes and a bottoming chamfer. This spiral-flute extension tap is designed for threading steel and stainless steel, and the manufacturer part number is 0144501.

You can source the OSG Extension Tap 0144501 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 reliable sourcing for this OSG tap.

To select the correct OSG extension tap for steel, match the thread size (e.g., 3/8"-24 UNF) and tolerance (H3 / 2B-3B) to your application. For blind holes, choose a bottoming chamfer and spiral-flute design to clear chips. Ensure the tap is rated for steel and stainless steel, as OSG designs specific geometries for these materials.