OSG Thread Forming Tap: 1/4"-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer
The OSG Thread Forming Tap (1/4"-28 UNF) is a general-purpose thread-forming tap with a modified bottoming chamfer, made from cobalt. It is specified as H4 / 2B-3B (MPN 1400128400). 3G Electric sources this and other…
SKU 3G-OTH-236575
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Thread Forming Tap (1/4"-28 UNF) is a general-purpose thread-forming tap with a modified bottoming chamfer, made from cobalt. It is specified as H4 / 2B-3B (MPN 1400128400). 3G Electric sources this and other precision tooling across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG Thread Forming Tap 1/4"-28 UNF used for?
This OSG thread forming tap is used to create internal threads in ductile materials such as aluminum, brass, and low-carbon steel. It is ideal for applications requiring strong, chip-free threads in automotive, aerospace, and general manufacturing. The modified bottoming chamfer allows threading close to the bottom of a blind hole.
What are the specifications of the OSG Thread Forming Tap 1/4"-28 UNF?
This tap has a thread size of 1/4"-28 UNF, a H4 / 2B-3B tolerance class, and a modified bottoming chamfer. It is made from cobalt high-speed steel for durability. The manufacturer part number is 1400128400. It is designed for forming threads in materials up to 850 °C hardness.
Where to buy OSG Thread Forming Tap 1/4"-28 UNF worldwide?
You can source the OSG Thread Forming Tap 1/4"-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 your manufacturing needs.
How to select the correct OSG thread forming tap for my application?
Select a thread forming tap based on material type, thread size, and tolerance. For aluminum or brass, use a standard H4 / 2B-3B tap like this OSG model. Ensure the chamfer type matches your hole depth—modified bottoming for blind holes. Always match the tap to the required thread class and use proper lubrication.
Used in
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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.
