OSG Spiral Point Tap: 1/4"-20 UNC, 2B+, 2 Flute, Plug Chamfer
SKU 3G-OTH-251337
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Frequently Asked Questions
What is the OSG Spiral Point Tap 1/4"-20 UNC used for?
The OSG Spiral Point Tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG Spiral Point Tap 1/4"-20 UNC?
This OSG tap has a 1/4"-20 UNC thread size, 2B+ tolerance class, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is an oversized spiral-point tap. The manufacturer part number is 1590000.
Where to buy OSG Spiral Point Tap 1/4"-20 UNC worldwide?
3G Electric supplies the OSG Spiral Point Tap 1/4"-20 UNC (MPN 1590000) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG Spiral Point Tap for through-hole threading?
For through-hole threading, choose a spiral-point tap like this OSG model. Ensure the tap size matches your hole diameter and thread class (e.g., 2B+). Use proper cutting fluid and speed per material. For oversized threads, confirm the tap's tolerance class meets your requirements.
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Common applications for OSGOSG Products
3G Electric supplies OSG oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















