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OSGHelical-Flute Thread Mills for Steel, Cast Iron & Hardened Steel

OSG Thread Mill: Helical Flute, 1/4"-18 NPT, 5 Flute

SKU 3G-OTH-235425

Brand
OSG
Item
Thread Mill: Helical Flute, 1/4"-18 NPT, 5 Flute
Category
Helical-Flute Thread Mills for Steel, Cast Iron & Hardened Steel
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Technical Specifications

OSG
Manufacturer Part Number
1663000217
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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. It creates 1/4"-18 NPT threads in these materials, commonly used in pipe fittings, hydraulic systems, and industrial machinery where reliable, leak-proof connections are required.

What are the specifications of the OSG Thread Mill 1663000217?

This OSG thread mill has a 1/4"-18 NPT thread size, 5 flutes, and helical-flute geometry. It is made from EgiAs coated carbide for wear resistance and heat dissipation. The manufacturer part number is 1663000217, and it is designed for steel, cast iron, and hardened steel.

Where to buy the OSG Thread Mill 1663000217 worldwide?

3G Electric supplies the OSG Thread Mill 1663000217 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tool to any country.

How to select the correct OSG thread mill for NPT threads?

Select an OSG thread mill based on thread size, material, and coating. For 1/4"-18 NPT in steel or cast iron, the EgiAs coated carbide helical-flute model (MPN 1663000217) provides good chip evacuation and tool life. Always match the thread pitch and flute count to your application for optimal results.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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