OSG Thread Mill: Helical Flute, 3/8"-18 NPTF, 5 Flute
SKU 3G-OTH-235437
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Frequently Asked Questions
What is the OSG Helical-Flute Thread Mill used for?
The OSG Helical-Flute Thread Mill is designed for threading steel, cast iron, and hardened steel. Its EgiAs coated carbide construction provides wear resistance for high-precision NPTF threads. It is commonly used in industrial machining applications requiring durable, accurate internal threading.
What are the specifications of the OSG Thread Mill 1663100317?
This OSG thread mill has a 3/8"-18 NPTF thread size, 5 flutes, and helical flute geometry. It is made of EgiAs coated carbide, optimized for steel, cast iron, and hardened steel. The manufacturer part number is 1663100317.
Where to buy the OSG Thread Mill 1663100317 worldwide?
3G Electric supplies the OSG Thread Mill 1663100317 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. As a global industrial distributor, we source and deliver this OSG tool to any country.
How to select the correct OSG thread mill for hardened steel?
For hardened steel, choose a thread mill with EgiAs coated carbide, like the OSG 1663100317. Ensure the thread size (e.g., 3/8"-18 NPTF) matches your application. Helical flutes improve chip evacuation. Always verify the material hardness against the tool's rated range. 3G Electric can help with selection.
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Common applications for OSGOSG Products
3G Electric supplies OSG helical-flute thread mills for steel, cast iron & hardened steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







