OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (MPN 2942608) is a general-purpose spiral-flute tap in 1/2"-20 UNF size, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets this demand…
SKU 3G-OTH-230944
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Spiral Flute Tap (MPN 2942608) is a general-purpose spiral-flute tap in 1/2"-20 UNF size, featuring an H5 / 2B-3B tolerance with a modified bottoming chamfer and 3 flutes. 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments — and far more — with trusted depth in cutting tools and precision threading.
Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. This tap is ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.
What are the specifications of the OSG spiral flute tap 1/2-20 UNF?
This OSG tap has a 1/2-20 UNF thread size, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes to close tolerances. The H5 limit ensures precise fit for class 2B or 3B threads in production environments.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the 1/2-20 UNF spiral flute tap. Contact us for pricing and delivery to your location.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 1/2-20 UNF model. The spiral design pushes chips out of the hole, preventing breakage. Ensure the chamfer type (modified bottoming) matches your thread depth requirements. Always match tap tolerance (H5) to your desired thread class (2B or 3B).
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
