OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 1430208) is a general-purpose tap with a plug chamfer, 3 flutes, and TiCN-coated high-speed steel construction. It is specified as H3 / 2B-3B class of fit.
SKU 3G-OTH-230497
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 (1/4"-28 UNF, MPN 1430208) is a general-purpose tap with a plug chamfer, 3 flutes, and TiCN-coated high-speed steel construction. It is specified as H3 / 2B-3B class of fit.
Frequently Asked Questions
What is the OSG spiral flute tap 1/4-28 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and aluminum. The 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 1430208?
The OSG spiral flute tap has a thread size of 1/4-28 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes, a plug chamfer, and a TiCN coating on high speed steel. The manufacturer part number is 1430208. This tap is suitable for threading blind holes in ferrous and non-ferrous materials.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap 1430208 or other OSG tooling.
How to select the correct OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG model to evacuate chips upward. Ensure the thread size (1/4-28 UNF) and tolerance class (H3 / 2B-3B) match your application. The TiCN coating improves wear resistance in harder materials. Always match the tap to the material and hole depth for best results.
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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.
