WIDIA GTD Spiral Flute Tap: 5/16"-18 UNC, H3 / 3B, 3 Flute

A WIDIA GTD spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. This 5/16"-18 UNC tap with a semi-bottoming chamfer is ideal for general-purpose machining where chip evacuation is critical.

The WIDIA GTD VTSFT-TC5051 is a 5/16"-18 UNC spiral flute tap with a H3 / 3B tolerance, 3 flutes, and a semi-bottoming chamfer. It is designed for threading blind holes to a Class 3B fit. The H3 limit ensures precise thread depth control in production environments.

3G Electric supplies WIDIA GTD taps like the VTSFT-TC5051 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine WIDIA GTD tooling with reliable lead times and technical support for your threading applications.

For blind holes, choose a spiral flute tap with a semi-bottoming chamfer like the WIDIA GTD VTSFT-TC5051. Ensure the tap size matches your thread specification (e.g., 5/16"-18 UNC) and tolerance class (H3 for 3B fit). Use proper cutting fluid and pecking cycles to clear chips and prevent tap breakage.