CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 357021)

A Chicago-Latrobe spiral point tap is used for through-hole threading in production environments. Its spiral-point design pushes chips ahead, preventing clogging and enabling faster, cleaner threads in materials like steel, aluminum, and cast iron across machining and fabrication applications.

The Chicago-Latrobe 357021 is a general purpose spiral point tap with 1/4"-20 UNC thread, H2 / 2B tolerance, 2 flutes, and a plug chamfer. It is designed for through-hole threading and is available from 3G Electric, which supplies and delivers this genuine industrial tap worldwide.

3G Electric supplies and delivers genuine Chicago-Latrobe taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located. Contact us for availability and lead time.

Select a spiral point tap like the Chicago-Latrobe 357021 for through holes to push chips forward. Match thread size (1/4"-20 UNC), tolerance (H2/2B), and chamfer (plug) to your material and hole depth. For best results, use proper cutting fluid and ensure the tap is aligned with the hole axis.