CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356308)

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in production environments. Its spiral-point design pushes chips ahead, reducing clogging and enabling faster tapping in materials like steel and aluminum. This #4-40 UNC tap is ideal for general-purpose machining across automotive, aerospace, and industrial maintenance applications.

The CHICAGO-LATROBE 356308 is a #4-40 UNC spiral point tap with H1/2B thread class, 2-flute design, and plug chamfer. It is made from high-speed steel (HSS) for durability in general-purpose tapping. The MPN is 356308, and it is designed for through-hole applications in ferrous and non-ferrous materials.

3G Electric supplies CHICAGO-LATROBE taps worldwide, including the 356308 spiral point tap. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other cutting tools across 14 industrial departments.

Select a spiral point tap like the CHICAGO-LATROBE 356308 for through-hole threading to push chips forward. Match the tap size (#4-40 UNC), thread class (H1/2B), and chamfer (plug) to your material and hole depth. Use high-speed steel for general machining; ensure proper lubrication to extend tool life and achieve clean threads.