OSG Thread Forming Tap: #4-40 UNC, H6 / 2B, Modified Bottoming Chamfer
SKU 3G-OTH-237779
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Frequently Asked Questions
What is the OSG Thread Forming Tap #4-40 UNC used for?
The OSG Thread Forming Tap #4-40 UNC is used to create internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting chips. It is ideal for automotive, aerospace, and general manufacturing applications where thread strength and cleanliness are critical.
What are the specifications of the OSG Thread Forming Tap #4-40 UNC?
This OSG tap has a #4-40 UNC thread size with H6 / 2B tolerance class, a modified bottoming chamfer, and is made from cobalt high-speed steel. The manufacturer part number is 1400105600. It is designed for through-hole or blind-hole threading in ductile materials.
Where to buy the OSG Thread Forming Tap #4-40 UNC worldwide?
You can source the OSG Thread Forming Tap #4-40 UNC worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG Thread Forming Tap for your application?
Select the OSG Thread Forming Tap based on thread size (e.g., #4-40 UNC), material type (ductile metals only), and hole condition (through or blind). Use a modified bottoming chamfer for shallow blind holes. Ensure the tap's H6 tolerance matches the required 2B thread class for proper fit.
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Common applications for OSGOSG Products
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.















