OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/4"-20 UNC, MPN 1240001) is a general-purpose spiral-point tap with an H5 / 2B-3B tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is…
SKU 3G-OTH-214930
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Product Description
The OSG Spiral Point Tap (1/4"-20 UNC, MPN 1240001) is a general-purpose spiral-point tap with an H5 / 2B-3B tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is designed for through-hole threading applications.
Frequently Asked Questions
What is the OSG spiral point tap 1240001 used for?
The OSG spiral point tap 1240001 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging and improving thread quality. Common applications include automotive, aerospace, and general manufacturing where 1/4"-20 UNC threads are required.
What are the specifications of the OSG tap 1240001?
The OSG tap 1240001 has a 1/4"-20 UNC thread size, H5 tolerance for 2B-3B class fit, 2 flutes, plug chamfer, and black oxide finish on high-speed steel. It is a spiral point tap optimized for through-hole threading. The manufacturer part number is 1240001.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1240001 to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine OSG tooling for your production needs.
How to select the correct OSG tap for a job?
Select an OSG tap based on thread size (e.g., 1/4"-20 UNC), material type, and hole configuration. For through holes, a spiral point tap like the 1240001 pushes chips forward. For blind holes, use a spiral flute tap. Match the tap tolerance (H5) to the required thread class (2B-3B). OSG offers application-specific coatings and geometries.
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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.















