OSG Spiral Flute Tap: 7/8"-14 UNF, H4 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (7/8"-14 UNF, MPN 2939200) is a general-purpose spiral-flute tap with an H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. This product is designed for threading applications…
SKU 3G-OTH-230226
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Spiral Flute Tap (7/8"-14 UNF, MPN 2939200) is a general-purpose spiral-flute tap with an H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. This product is designed for threading applications requiring precise internal threads.
Frequently Asked Questions
What is the OSG spiral flute tap 2939200 used for?
The OSG spiral flute tap 2939200 is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing applications where precise UNF threads are required.
What are the specifications of the OSG spiral flute tap 7/8"-14 UNF?
This OSG tap has a 7/8"-14 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. The H4 limit ensures precise thread fit for 2B-3B classes. The manufacturer part number is 2939200. It is a general-purpose spiral-flute tap for blind-hole threading.
Where to buy the OSG spiral flute tap 2939200 worldwide?
3G Electric supplies the OSG spiral flute tap 2939200 worldwide. As a global industrial 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 support your manufacturing operations.
How to select the correct OSG spiral flute tap for UNF threads?
To select the correct OSG spiral flute tap, match the thread size (e.g., 7/8"-14 UNF) and tolerance class (H4 / 2B-3B) to your application. For blind holes, choose a modified bottoming chamfer. Ensure the tap material suits your workpiece. OSG taps are designed for precision threading in steel and alloys.
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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.
