OSG Spiral Flute Tap: 1/4"-28 UNF, 2B, 2 Flute, Plug Chamfer
SKU 3G-OTH-232861
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Frequently Asked Questions
What is OSG spiral flute tap 1/4-28 UNF used for?
This 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 machining environments.
What are the specifications of OSG spiral flute tap 1/4-28 UNF?
This OSG tap has a 1/4-28 UNF thread size, 2B class of fit, plug chamfer, 2 flutes, and is made of V coated vanadium high speed steel. The manufacturer part number is 1305900608. It is optimized for threading aluminum and similar materials in blind hole applications.
Where to buy OSG spiral flute tap 1/4-28 UNF worldwide?
3G Electric supplies and delivers OSG spiral flute taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 1/4-28 UNF tap (MPN 1305900608) and other OSG cutting tools.
How to select the right spiral flute tap for aluminum?
For aluminum, choose a spiral flute tap with a polished flute surface and a coating like V coated vanadium high speed steel to reduce built-up edge. A 2-flute design with plug chamfer works well for blind holes. OSG taps are a reliable choice for consistent thread quality in production runs.
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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.












