OSG Thread Forming Tap: #4-40 UNC, H5 / 2B, Bottoming Chamfer
SKU 3G-OTH-238480
Need installation or engineering help?
Ask a question
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 or plastic workpieces without cutting material. It is ideal for applications requiring strong, burr-free threads in automotive, aerospace, and general manufacturing. The bottoming chamfer allows threading close to the bottom of blind holes.
What are the specifications of the OSG Thread Forming Tap #4-40 UNC?
This OSG tap has a #4-40 UNC thread size, H5 tolerance for the tap and 2B class for the resulting thread. It features a bottoming chamfer and a black oxide cobalt finish for wear resistance. The manufacturer part number is 1400105101. It is designed for general-purpose thread forming in ferrous and non-ferrous 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; we supply genuine OSG taps to support your production needs.
How to select the correct OSG Thread Forming Tap for my application?
To select the correct OSG thread forming tap, match the thread size (e.g., #4-40 UNC) and tolerance class (H5/2B) to your hole requirements. Choose a bottoming chamfer for blind holes or a plug chamfer for through holes. Consider material hardness; cobalt black oxide taps suit harder materials. Consult OSG's technical data for optimal speeds and lubrication.
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.
