OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 2931208) is a general-purpose tap with an H3 / 2B-3B tolerance and a modified bottoming chamfer. It features 3 flutes for efficient chip evacuation in through-hole…
SKU 3G-OTH-230459
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Product Description
The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 2931208) is a general-purpose tap with an H3 / 2B-3B tolerance and a modified bottoming chamfer. It features 3 flutes for efficient chip evacuation in through-hole threading applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG spiral flute tap 2931208 used for?
The OSG spiral flute tap 2931208 is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, making it ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications where chip clearance is critical.
What are the specifications of the OSG spiral flute tap 2931208?
This OSG tap has a thread size of 5/16"-24 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 2931208. It is a general-purpose spiral-flute tap suitable for threading blind holes.
Where to buy the OSG spiral flute tap 2931208 worldwide?
3G Electric supplies the OSG spiral flute tap 2931208 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tap to any country.
How to select the correct OSG spiral flute tap for UNF threads?
Select the OSG spiral flute tap based on thread size, pitch, and tolerance class. For UNF threads, match the tap to the required class of fit (e.g., 2B or 3B). The H3 limit indicates the tap's pitch diameter tolerance. Ensure the chamfer type (e.g., modified bottoming) suits your blind hole depth.
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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.















