OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute

The OSG spiral flute tap 1732608 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 commonly used in automotive, aerospace, and general manufacturing applications.

This OSG tap has a 1/4"-20 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The H3 / 2B-3B designation indicates it produces threads within a precise fit range for steel and stainless steel. The manufacturer part number is 1732608.

3G Electric supplies the OSG spiral flute tap 1732608 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tap to support your threading operations.

For steel and stainless steel, select an OSG spiral flute tap with a modified bottoming chamfer for blind holes. Ensure the thread size (e.g., 1/4"-20 UNC) and tolerance (H3 / 2B-3B) match your application. Use a tap with 3 flutes for balanced chip evacuation. Always match the tap coating to the material hardness for optimal tool life.