OSG Spiral Point Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
SKU 3G-OTH-215137
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is an OSG spiral point tap used for?
An OSG spiral point tap is designed for through-hole threading in production environments. Its spiral-point geometry pushes chips forward, preventing chip congestion and enabling faster, cleaner threading in materials like steel and aluminum. This 1/2"-13 UNC tap is ideal for general-purpose machining across automotive, aerospace, and industrial manufacturing.
What are the specifications of the OSG 1232401 tap?
The OSG 1232401 is a 1/2"-13 UNC spiral point tap with 3 flutes, a plug chamfer, and black oxide high-speed steel construction. It has an H3 / 2B-3B tolerance class, ensuring precise thread fit for both 2B and 3B classes. This tap is suitable for through-hole threading in ferrous and non-ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, including the 1232401 spiral point tap. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any OSG threading tool — we provide genuine OSG products with reliable lead times.
How to select the correct OSG tap for a job?
Select an OSG tap based on thread size (e.g., 1/2"-13 UNC), hole type (through vs. blind), material, and tolerance class. For through-holes, a spiral point tap like this 1232401 pushes chips forward. Match the H3 / 2B-3B class to your required thread fit. Consult OSG's technical data for material-specific speeds and feeds.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















