OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This #4-40 UNC tap with plug chamfer is ideal for general-purpose machining in automotive, aerospace, and industrial maintenance applications.

This OSG tap has a #4-40 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 1406400. It is designed for threading blind holes in ferrous and non-ferrous materials with efficient chip evacuation.

3G Electric supplies OSG taps worldwide, including this #4-40 UNC spiral flute tap. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 industrial departments.

Select a spiral flute tap like this OSG #4-40 UNC for blind holes to ensure chips are lifted out of the hole. Match thread size, pitch, and chamfer type (plug for general use) to your material. High-speed steel suits most metals. Confirm tolerance class (H2 / 2B-3B) for fit requirements. 3G Electric can help you choose.