OSG Spiral Flute Tap: 1/4"-20 UNC, 2B, 2 Flute, Plug Chamfer
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1305900508) is a 2-flute, plug-chamfer tap with a 2B thread class, made from V-coated vanadium high-speed steel. Designed for threading aluminum, it is one of thousands of…
SKU 3G-OTH-232892
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Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 1305900508) is a 2-flute, plug-chamfer tap with a 2B thread class, made from V-coated vanadium high-speed steel. Designed for threading aluminum, it is one of thousands of industrial consumables 3G Electric sources and supports across 14 departments, with specialist depth in cutting tools and metalworking.
Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is designed for threading blind holes in aluminum and non-ferrous materials. Its V coated vanadium high speed steel construction and 2-flute design efficiently evacuate chips upward, preventing clogging and ensuring clean threads in production environments.
What are the specifications of the OSG spiral flute tap?
This OSG tap has a 1/4"-20 UNC thread size, 2B class of fit, plug chamfer, 2 flutes, and a V coated vanadium high speed steel substrate. The manufacturer part number is 1305900508. It is optimized for threading aluminum and soft metals.
Where to buy the OSG spiral flute tap worldwide?
3G Electric supplies the OSG spiral flute tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source this tap for your threading operations.
How to select the correct OSG spiral flute tap for aluminum?
For aluminum, choose a tap with a plug chamfer and 2 flutes to manage chip evacuation in blind holes. The V coated vanadium high speed steel provides wear resistance. Verify thread size (1/4"-20 UNC) and class (2B) match your application requirements.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












