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

The OSG spiral point tap #4-40 UNC is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing chip clogging. It is ideal for general-purpose tapping in manufacturing, automotive, and aerospace applications where clean, accurate threads are required.

The OSG spiral point tap #4-40 UNC has a thread size of #4-40, a H2 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and has a manufacturer part number of 1605400. This tap is designed for general-purpose threading in a variety of materials.

You can source OSG spiral point taps 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 times. 3G Electric supplies genuine OSG taps for industrial threading applications.

To select the correct OSG spiral point tap, match the thread size (e.g., #4-40 UNC) and tolerance class (e.g., H2 / 2B-3B) to your application. Consider material type, hole depth, and whether the hole is blind or through. For general-purpose use, a plug chamfer and HSS material offer good durability and chip control.