OSG Spiral Flute Tap: 1/4"-20 UNC, 2B, 2 Flute, Modified Bottoming Chamfer (MPN 1305800508)
SKU 3G-OTH-232780
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Frequently Asked Questions
What is the OSG spiral flute tap 1305800508 used for?
This OSG spiral flute tap is designed for threading blind holes in aluminum and other non-ferrous materials. Its 2-flute design and modified bottoming chamfer efficiently evacuate chips upward, preventing clogging and ensuring clean threads in production machining environments.
What are the specifications of the OSG tap 1305800508?
The OSG spiral flute tap has a 1/4"-20 UNC thread size, 2B class of fit, 2 flutes, and a modified bottoming chamfer. It is specifically engineered for threading aluminum and similar materials, with manufacturer part number 1305800508.
Where to buy OSG taps like 1305800508 worldwide?
3G Electric supplies OSG taps including the 1305800508 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right spiral flute tap for aluminum?
For aluminum, choose a spiral flute tap with a modified bottoming chamfer like the OSG 1305800508. The spiral flute design pushes chips forward, ideal for blind holes. Ensure the tap matches your thread size (e.g., 1/4"-20 UNC) and material hardness for optimal thread quality and tool life.
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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.














