OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Modified Bottoming Chamfer
The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105401) is a general purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for…
SKU 3G-OTH-236946
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105401) is a general purpose thread-forming tap with an H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. This tool is designed for forming internal threads in a range of materials, with the H4 / 2B-3B specification indicating its fit class and thread limits.
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 such as 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?
The OSG Thread Forming Tap has a #4-40 UNC thread size, H4 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400105401. It is designed for general-purpose thread forming in materials up to 850 °C hardness.
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. As a global industrial equipment distributor since 1990, 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 my application?
To select the correct OSG Thread Forming Tap, match the thread size (#4-40 UNC) and tolerance (H4 / 2B-3B) to your workpiece material and thread class. Use a modified bottoming chamfer for blind holes. Ensure the tap is suitable for ductile materials to avoid breakage.
Used in
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.
