OSG Spiral Point Tap: #12-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer
SKU 3G-OTH-232131
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Frequently Asked Questions
What is an OSG spiral point tap used for?
An OSG spiral point tap is designed for threading through-holes in aerospace materials. Its spiral-point geometry pushes chips forward, preventing clogging and ensuring clean threads in tough alloys. This TiN-coated cobalt tap delivers durability and precision for high-strength applications.
What are the specifications of the OSG #12-28 UNF tap?
This OSG tap is #12-28 UNF with a H6 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiN-coated cobalt construction. The manufacturer part number is 1101516405. It is engineered for threading in aerospace-grade materials, offering consistent thread class and wear resistance.
Where to buy OSG taps for aerospace worldwide?
3G Electric supplies OSG taps like the #12-28 UNF spiral point tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools for aerospace applications.
How to select the right tap for aerospace materials?
Select a tap with appropriate thread size, chamfer type, and coating for the material. For aerospace alloys, use a spiral point tap with TiN coating and cobalt substrate for heat resistance. Match the tap tolerance (e.g., H6) to the required thread class (2B-3B) for fit and strength.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point taps for aerospace materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















