OSG Extension Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
SKU 3G-OTH-313598
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is an OSG extension tap used for?
An OSG extension tap is used to thread deep or hard-to-reach holes in metal parts. The extended shank allows access where standard taps cannot reach, making it essential for machining, automotive, and aerospace applications requiring precise internal threads.
What are the specifications of the OSG 3/8"-24 UNF extension tap?
This OSG extension tap has a 3/8"-24 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The MPN is 2104400. It is designed for threading blind or deep holes in ferrous and non-ferrous materials.
Where to buy OSG extension taps worldwide?
3G Electric supplies OSG extension taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG tooling and support your procurement with technical expertise across 14 industrial departments.
How to select the correct OSG extension tap for a job?
Select an OSG extension tap by matching thread size (e.g., 3/8"-24 UNF), tolerance class (H3 for 2B-3B fit), chamfer type (plug for blind holes), and material compatibility. High-speed steel suits general machining. Confirm shank length reaches the hole depth without interference.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
