OSG Spiral Point Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/2"-20 UNF) is a general-purpose spiral-point tap with a plug chamfer, TiN-coated high-speed steel construction, and 3 flutes. It is classified as H3 / 2B-3B (MPN 1232605), designed for…
SKU 3G-OTH-215684
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Product Description
The OSG Spiral Point Tap (1/2"-20 UNF) is a general-purpose spiral-point tap with a plug chamfer, TiN-coated high-speed steel construction, and 3 flutes. It is classified as H3 / 2B-3B (MPN 1232605), designed for through-hole threading in a range of materials.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG Spiral Point Tap 1/2"-20 UNF used for?
The OSG Spiral Point Tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNF threads are required.
What are the specifications of the OSG Spiral Point Tap 1/2"-20 UNF?
This tap has a 1/2"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiN-coated high-speed steel construction. The OSG part number is 1232605. It is designed for general-purpose threading in production environments.
Where to buy the OSG Spiral Point Tap 1/2"-20 UNF worldwide?
You can source the OSG Spiral Point Tap 1/2"-20 UNF worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead time on this OSG part number 1232605.
How to select the correct OSG Spiral Point Tap for UNF threads?
Select based on thread size (e.g., 1/2"-20 UNF), tolerance class (H3 / 2B-3B), chamfer type (plug for general use), and coating (TiN for longer life in steel). Match the tap to your material and hole type (through or blind). OSG offers detailed selection guides for production tapping.
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3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















