OSG Round Die: M20x2.5 Metric, 50 mm OD, Adj, High Speed Steel (MPN 46251)
SKU 3G-OTH-200718
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Frequently Asked Questions
What is the OSG Round Die M20x2.5 used for?
The OSG Round Die M20x2.5 is used for cutting external metric threads on bolts, studs, and pipes in industrial maintenance and manufacturing. It is suitable for manual or machine threading applications where precise M20x2.5 threads are required, commonly in automotive, aerospace, and general engineering sectors.
What are the specifications of the OSG Round Die 46251?
The OSG Round Die 46251 has a thread size of M20x2.5 metric, an outer diameter of 50 mm, and is adjustable. It is made from high-speed steel (HSS) for durability and sharpness. The die is designed for cutting external threads on ferrous and non-ferrous materials, with a standard 50 mm OD for compatibility with common die stocks.
Where to buy OSG Round Die M20x2.5 worldwide?
You can source the OSG Round Die M20x2.5 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 threading tools to support your operations.
How to select the correct OSG round die for threading?
To select the correct OSG round die, match the thread size (e.g., M20x2.5) and pitch to your workpiece. Ensure the outer diameter (50 mm) fits your die stock holder. For adjustable dies, verify the adjustment range. Use high-speed steel (HSS) for general-purpose threading on steel or aluminum. Consult OSG's technical data for material-specific recommendations.
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3G Electric supplies OSG adjustable round threading dies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



