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OSG Thread Mill: Helical Flute, 2 1/2"-8 NPT, 4 Flute - Helical-Flute Thread Mills for Stainless Steel & Super Alloys
OSGHelical-Flute Thread Mills for Stainless Steel & Super Alloys

OSG Thread Mill: Helical Flute, 2 1/2"-8 NPT, 4 Flute

SKU 3G-OTH-219471

Brand
OSG
Item
Thread Mill: Helical Flute, 2 1/2"-8 NPT, 4 Flute
Category
Helical-Flute Thread Mills for Stainless Steel & Super Alloys
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Technical Specifications

OSG
Manufacturer Part Number
4200000611
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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?

This OSG thread mill is designed for threading stainless steel and super alloys. Its helical flute design reduces cutting forces and improves chip evacuation, making it suitable for producing NPT threads in tough materials. It is commonly used in aerospace, oil and gas, and heavy equipment manufacturing.

What are the specifications of the OSG Thread Mill 4200000611?

The OSG thread mill has a thread size of 2 1/2"-8 NPT, 4 flutes, and is made from EXO coated carbide. The manufacturer part number is 4200000611. It is a helical-flute thread mill optimized for stainless steel and super alloys, providing efficient threading in demanding applications.

Where to buy the OSG Thread Mill 4200000611 worldwide?

You can source the OSG Thread Mill 4200000611 through 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; we supply this item to procurement teams and engineers globally.

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

Select an OSG thread mill based on thread size, pitch, and material. For 2 1/2"-8 NPT in stainless steel or super alloys, use a helical-flute design with EXO coated carbide, like model 4200000611. Ensure the tool's flute count and coating match your machine's rigidity and coolant system for optimal thread quality.

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 stainless steel & super alloys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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