OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2930808) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading applications…
SKU 3G-OTH-230457
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 (5/16"-18 UNC, MPN 2930808) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading applications requiring precise fit control.
Frequently Asked Questions
What is the OSG spiral flute tap 2930808 used for?
The OSG spiral flute tap 5/16"-18 UNC 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 2930808 tap?
This OSG tap has a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is a general-purpose spiral-flute tap suitable for threading blind holes. The manufacturer part number is 2930808.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap 2930808.
How to select the correct OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2930808 to evacuate chips upward. Ensure the thread size (5/16"-18 UNC), tolerance (H3 / 2B-3B), and chamfer type (modified bottoming) match your application. Consult OSG's technical data for material-specific recommendations.
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.
