OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-230886
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Frequently Asked Questions
What is the OSG spiral flute tap #2-56 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 2905608 tap?
The OSG 2905608 is a #2-56 UNC spiral flute tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer, making it suitable for threading close to the bottom of blind holes. It is a general purpose tap for ferrous and non-ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies and delivers OSG taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for pricing and lead time on this OSG 2905608 spiral flute tap.
How to select the correct OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG #2-56 UNC to evacuate chips upward. Ensure the chamfer type matches your hole depth: a modified bottoming chamfer allows threading closer to the bottom. Verify thread class (H2 / 2B-3B) matches your required fit.
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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.









