OSG Spiral Point Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute

The OSG Spiral Point Tap 2842501 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing chip clogging and enabling faster production threading in automotive, aerospace, and general manufacturing applications.

This OSG tap has a thread size of 7/16"-20 UNF, with a tolerance class of H7 / 2B-3B. It features 3 flutes and a plug chamfer. The manufacturer part number is 2842501. It is designed for through-hole threading and is suitable for general-purpose tapping in a range of materials.

You can source the OSG Spiral Point Tap 2842501 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 this OSG tap to customers across multiple industries.

Select the OSG Spiral Point Tap based on thread size, pitch, and tolerance class matching your application. For through holes, a spiral-point tap like this 7/16"-20 UNF with H7 / 2B-3B tolerance is ideal. Ensure the tap chamfer (plug) suits the hole depth. Always use proper cutting fluid and machine alignment for best results.