OSG Thread Forming Tap: #4-40 UNC, H3 / 2B-3B, Modified Bottoming Chamfer
The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105301) is a general purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. It is designed for forming…
SKU 3G-OTH-236541
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 1400105301) is a general purpose thread-forming tap with an H3 / 2B-3B tolerance, modified bottoming chamfer, and black oxide cobalt finish. It is designed for forming internal threads in a range of materials without cutting, reducing chip-related issues.
Frequently Asked Questions
What is an OSG thread forming tap used for?
An OSG thread forming tap creates internal threads by displacing material rather than cutting it, producing stronger threads with no chips. It is ideal for ductile materials like aluminum, brass, and low-carbon steel in automotive, aerospace, and general machining applications.
What are the specifications of the OSG #4-40 UNC thread forming tap?
This OSG tap is #4-40 UNC, with a H3 / 2B-3B thread class, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400105301. It is designed for general purpose thread forming in ductile materials.
Where to buy OSG thread forming taps worldwide?
3G Electric supplies OSG thread forming taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG taps like the #4-40 UNC model (MPN 1400105301) and deliver to your facility, regardless of location.
How to select the correct OSG thread forming tap for my application?
Select an OSG thread forming tap based on thread size (e.g., #4-40 UNC), material ductility, and thread class (H3 / 2B-3B). For blind holes, use a modified bottoming chamfer. Cobalt black oxide finish improves wear resistance. Consult OSG's technical data for specific material recommendations.
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.
