OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1430005) is a general-purpose tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and 3 flutes. It is specified as H3 / 2B-3B, designed for…
SKU 3G-OTH-230444
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Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1430005) is a general-purpose tap with a TiN-coated high-speed steel construction, featuring a plug chamfer and 3 flutes. It is specified as H3 / 2B-3B, designed for threading applications requiring these tolerance classes.
Frequently Asked Questions
What is the OSG spiral flute tap 1/4-20 UNC used for?
The OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging. The TiN coating reduces friction and extends tool life. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 1/4-20 UNC?
This OSG tap has a 1/4-20 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made of high-speed steel with a TiN coating. The manufacturer part number is 1430005. It is suitable for threading blind holes in ferrous and non-ferrous materials.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine OSG tooling for manufacturing operations.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a plug chamfer, like this OSG model. The spiral flutes evacuate chips upward, preventing packing at the hole bottom. Ensure the tap tolerance (H3 / 2B-3B) matches your thread class. Use appropriate cutting fluid for the workpiece material to maximize tool life.
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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.















