OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Flute Tap (1/2"-20 UNF, MPN 1432405) is a general-purpose tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and three flutes. It is specified as H3 / 2B-3B class, designed…
SKU 3G-OTH-230195
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 (1/2"-20 UNF, MPN 1432405) is a general-purpose tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and three flutes. It is specified as H3 / 2B-3B class, designed for threading applications requiring precise internal thread tolerances.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2-20 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 pulls 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 1/2-20 UNF?
This tap has a 1/2-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from TiN coated high speed steel. The manufacturer part number is 1432405. It is designed for general purpose threading of blind holes.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG tooling.
How to select the correct OSG spiral flute tap for a blind hole?
For blind holes, choose a spiral flute tap with a plug chamfer, like this OSG model. The spiral flutes evacuate chips upward. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches your required thread class. Use a TiN coating for improved wear resistance in ferrous materials.
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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.
