OSG Spiral Flute Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute

The OSG spiral flute tap 1722708 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 machining applications.

This OSG tap has a 1/4-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The H4 ground thread form ensures precise fit for 2B-3B class threads. It is designed for threading blind holes in steel and stainless steel. Manufacturer part number is 1722708.

3G Electric supplies OSG taps including model 1722708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine OSG cutting tools for steel and stainless steel threading applications. Contact us for availability and lead time.

For stainless steel, choose a spiral flute tap with a modified bottoming chamfer like the OSG 1722708 to manage chip evacuation in blind holes. Ensure the tap has H4 tolerance for precise thread fit. Use appropriate cutting fluid and rigid tapping speeds. OSG taps are engineered for consistent performance in tough materials.