OSG Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (7/8"-14 UNF, MPN 2939208) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 4 flutes, and H4 / 2B-3B tolerance class. 3G Electric interprets demand and delivers this…
SKU 3G-OTH-229956
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 (7/8"-14 UNF, MPN 2939208) is a general-purpose spiral-flute tap with a modified bottoming chamfer, 4 flutes, and H4 / 2B-3B tolerance class. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 7/8"-14 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it ideal for through-hole and deep-hole tapping applications in general manufacturing and maintenance.
What are the specifications of the OSG spiral flute tap 2939208?
The OSG spiral flute tap has a 7/8"-14 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. It is a general purpose tap suitable for producing threads to Class 2B or 3B fit in blind holes.
Where to buy the OSG spiral flute tap 7/8"-14 UNF worldwide?
3G Electric supplies the OSG spiral flute tap MPN 2939208 worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this precision threading tool globally.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG model with a modified bottoming chamfer. The 4-flute design and H4 / 2B-3B tolerance ensure accurate thread depth. Match the tap to your material and thread class; OSG taps are engineered for consistent performance.
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.
