CLEVELAND Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN C55321)

A CLEVELAND Spiral Point Tap is used for threading blind or through holes in production machining. Its spiral-point design pushes chips forward, preventing clogging and enabling faster tapping in materials like steel, aluminum, and cast iron. It is ideal for automotive, aerospace, and general manufacturing applications.

The CLEVELAND C55321 Spiral Point Tap has a 5/16"-18 UNC thread size, H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose tap designed for consistent thread quality in production environments. The manufacturer part number is C55321.

You can source the CLEVELAND C55321 Spiral Point Tap worldwide through 3G Electric. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other CLEVELAND tapping tools.

Select a CLEVELAND Spiral Point Tap based on thread size (e.g., 5/16"-18 UNC), material hardness, and hole type (through or blind). For general-purpose threading in steel or aluminum, the C55321 with H3 tolerance and plug chamfer works well. Always match tap geometry to your workpiece material for optimal chip evacuation and thread quality.