OSG Thread Forming Tap: 5/16"-24 UNF, H10, Plug Chamfer, Black Oxide Cobalt (MPN 1400134401)
SKU 3G-OTH-237715
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Frequently Asked Questions
What is the OSG Thread Forming Tap 5/16"-24 UNF used for?
This OSG thread forming tap is used to create internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting. It is ideal for automotive, aerospace, and general manufacturing applications where chip-free threading is required.
What are the specifications of the OSG Thread Forming Tap 5/16"-24 UNF?
The OSG thread forming tap has a 5/16"-24 UNF thread size, H10 tolerance, plug chamfer, and black oxide cobalt finish. The manufacturer part number is 1400134401. It is designed for through-hole or blind-hole threading in materials up to 850 °C hardness.
Where to buy the OSG Thread Forming Tap 5/16"-24 UNF worldwide?
You can source the OSG Thread Forming Tap 5/16"-24 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.
How to select the correct OSG thread forming tap for my application?
Select the OSG thread forming tap based on thread size, pitch, and material. For 5/16"-24 UNF threads in aluminum or steel, use this tap with H10 tolerance. Ensure the tap chamfer matches your hole type: plug chamfer for general use. Consult OSG's technical data for optimal speeds and lubrication.
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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.















