OSG Thread Forming Tap: 1/4"-20 UNC, H5 / 2B-3B, Modified Bottoming Chamfer

The OSG Thread Forming Tap is used to create internal threads in ductile materials such as aluminum, brass, and low-carbon steel. It is ideal for automotive, aerospace, and general manufacturing applications where chip-free threading is required. The modified bottoming chamfer allows threading close to the bottom of blind holes.

This OSG tap has a thread size of 1/4"-20 UNC, with an H5 tolerance class for 2B-3B fit. It features a modified bottoming chamfer and a black oxide cobalt finish for heat resistance and lubricity. The manufacturer part number is 1400126301, and it is designed for general-purpose thread forming in ferrous and non-ferrous materials.

You can source the OSG Thread Forming Tap 1/4"-20 UNC worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this OSG tap to customers across multiple industries.

To select the correct OSG thread forming tap, match the thread size (e.g., 1/4"-20 UNC) and tolerance class (H5 for 2B-3B fit) to your hole requirements. Use a modified bottoming chamfer for blind holes. Ensure the material is ductile (e.g., aluminum, steel) and apply proper lubrication. Consult OSG's technical data for speed and feed recommendations.