OSG Oversized Spiral-Point Tap: 1/2"-13 UNC, H11 / 2B, 3 Flute, Plug Chamfer

The OSG spiral point tap 2857400 is used for threading through holes in metal, particularly in production environments. Its spiral point design pushes chips forward, reducing clogging and breakage. It is suitable for tapping steel, stainless steel, and other ferrous materials in automotive, aerospace, and general manufacturing applications.

The OSG tap 2857400 is a 1/2"-13 UNC oversized spiral point tap with H11 / 2B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole threading and is made from high-speed steel. The oversized H11 tolerance allows for controlled thread fit in applications requiring coating or plating.

You can source the OSG tap 2857400 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 provide competitive pricing and reliable sourcing for this OSG cutting tool.

To select the correct OSG spiral point tap, match the thread size (e.g., 1/2"-13 UNC), tolerance class (H11 for oversized), and chamfer type (plug for through holes) to your material and hole depth. For coated threads, choose an oversized tap like this one. Consult OSG's technical data for material-specific speeds and feeds.