OSG Spiral Point Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-224129
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral point tap 1741405 used for?
The OSG spiral point tap 1741405 is designed for threading blind or through holes in steel and stainless steel. Its spiral point design pushes chips ahead, reducing clogging and breakage. It is commonly used in automotive, aerospace, and general manufacturing for creating internal threads in tough materials.
What are the specifications of the OSG 1741405 tap?
The OSG 1741405 is a 1/2"-13 UNC spiral point tap with a H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading steel and stainless steel. The H3 limit ensures precise thread fit for 2B-3B class applications. OSG is the OEM brand.
Where to buy OSG taps in worldwide?
You can source the OSG 1741405 tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we source and deliver this item to your facility.
How to select the right OSG tap for steel?
Select an OSG tap based on material, thread size, and hole type. For steel and stainless steel, a spiral point tap like the 1741405 (1/2"-13 UNC, H3 / 2B-3B) works well for through holes. Ensure the chamfer type (plug) matches your application. OSG taps are engineered for consistent performance in demanding materials.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














