OSG Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.

The OSG spiral flute tap has a thread size of 1"-12 UNF, with a H4 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer. The manufacturer part number is 1645010124. This tap is engineered for threading blind holes in steel and stainless steel materials.

You can source the OSG spiral flute tap 1645010124 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 supply genuine OSG tooling for your manufacturing needs.

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use taps with H4 / 2B-3B tolerance for precise fit. The modified bottoming chamfer suits blind holes. Ensure the tap matches your hole depth and machine capability. OSG taps are engineered for consistent performance in demanding applications.