OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Bottoming Chamfer
The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105001) is a general purpose thread-forming tap with a bottoming chamfer and black oxide cobalt finish. It is specified as H4 / 2B-3B class of fit.
SKU 3G-OTH-237689
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Thread Forming Tap (#4-40 UNC, MPN 1400105001) is a general purpose thread-forming tap with a bottoming chamfer and black oxide cobalt finish. It is specified as H4 / 2B-3B class of fit.
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 metal without cutting, which eliminates chips and produces stronger threads. It is ideal for automotive, aerospace, and general manufacturing applications where thread integrity 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, H4 / 2B-3B tolerance, bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400105001. It is designed for through-hole or blind-hole threading in materials up to 850 °C hardness.
Where to buy OSG Thread Forming Tap #4-40 UNC worldwide?
You can source the OSG Thread Forming Tap #4-40 UNC worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG taps for industrial applications globally.
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 hardness, and hole type. For blind holes, use a bottoming chamfer; for through holes, a plug chamfer works. The H4 / 2B-3B tolerance ensures proper fit. Consult OSG's technical data for material-specific speeds and feeds.
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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.
