OSG Spiral Flute Tap: 5/16"-18 UNC, H2 / 2B-3B, 3 Flute
SKU 3G-OTH-230168
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Frequently Asked Questions
What is the OSG spiral flute tap 5/16-18 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing chip clogging. It is commonly used in automotive, aerospace, and general machining applications where clean, accurate threads are required.
What are the specifications of the OSG tap 2930600?
The OSG tap 2930600 is a 5/16-18 UNC spiral flute tap with 3 flutes, a modified bottoming chamfer, and an H2 / 2B-3B tolerance class. It is designed for threading blind holes and produces threads to Class 2B or 3B fit. The tap is made from high-speed steel for durability.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2930600 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and provide technical support to ensure you get the right tap for your application.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG 5/16-18 UNC tap. The spiral flute design pulls chips out of the hole, preventing breakage. Ensure the tap's thread class (H2 / 2B-3B) matches your required fit. Always use proper cutting fluid and speed for the material being threaded.
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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.















