OSG General Purpose Spiral-Point Tap #4-40 UNC

The OSG Spiral Point Tap #4-40 UNC is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips ahead, reducing chip clogging and enabling faster production. Common applications include automotive, aerospace, and general manufacturing where reliable UNC threads are required.

The OSG Spiral Point Tap has a #4-40 UNC thread size, H4 / 2B-3B tolerance class, 2-flute design, and plug chamfer. The manufacturer part number is 2816301. It is designed for through-hole tapping and is suitable for general-purpose use in various materials.

You can source the OSG Spiral Point Tap #4-40 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 OSG taps to customers across multiple industries.

To select the correct OSG Spiral Point Tap, match the thread size (e.g., #4-40 UNC) and tolerance class (H4 / 2B-3B) to your application. Spiral-point taps are ideal for through-holes as they push chips forward. Ensure the tap material suits your workpiece (e.g., HSS for general use). Consult OSG's technical data for optimal performance.