OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

The OSG spiral flute tap 2931800 is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design lifts 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 tap 2931800 has a thread size of 3/8"-24 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 2931800, and it is a general purpose spiral-flute tap.

You can source OSG taps, including model 2931800, through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we source and deliver genuine OSG products to your facility.

To select the correct OSG spiral flute tap, match the thread size (e.g., 3/8"-24 UNF) and tolerance class (e.g., H3 / 2B-3B) to your application. Consider material hardness and hole type—blind holes require spiral flute taps for chip evacuation. OSG taps are precision-ground for consistent performance in production threading.