OSG Thread Forming Tap: #12-28 UNF, H9, Plug Chamfer
SKU 3G-OTH-237011
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Frequently Asked Questions
What is the OSG Thread Forming Tap #12-28 UNF used for?
The OSG Thread Forming Tap #12-28 UNF is used to create internal threads in metal without cutting, by displacing material. It is ideal for ductile materials like aluminum, steel, and stainless steel, and is commonly applied in automotive, aerospace, and general manufacturing where strong, burr-free threads are required.
What are the specifications of the OSG Thread Forming Tap 1400125401?
The OSG Thread Forming Tap has a #12-28 UNF thread size, H9 tolerance, plug chamfer, and black oxide cobalt finish. The manufacturer part number is 1400125401. It is designed for general-purpose thread forming in ductile materials, providing precise thread dimensions and extended tool life.
Where to buy OSG Thread Forming Tap #12-28 UNF worldwide?
You can source the OSG Thread Forming Tap #12-28 UNF from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG taps for manufacturing operations.
How to select the correct OSG thread forming tap for my application?
Select the OSG thread forming tap based on thread size (e.g., #12-28 UNF), material ductility, and required tolerance (H9). For aluminum or steel, use a plug chamfer tap. Ensure the tap matches the hole size and lubrication method. OSG taps are designed for consistent thread quality in production environments.
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3G Electric supplies OSG general purpose thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















