OSG Thread Mill: Helical Flute, 3/8"-32 UNEF, 3 Flute
SKU 3G-OTH-219439
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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 stainless steel and super alloys. Its EXO coated carbide construction and 3-flute design provide efficient chip evacuation and extended tool life in demanding materials. Common applications include aerospace, automotive, and medical component manufacturing where precise UNEF threads are required.
What are the specifications of the OSG Thread Mill 4100003011?
This OSG thread mill has a 3/8"-32 UNEF thread size, 3 flutes, and helical flute geometry. It is made from EXO coated carbide, optimized for stainless steel and super alloys. The manufacturer part number is 4100003011. It is a precision tool for producing internal threads in tough materials.
Where to buy OSG thread mills worldwide?
3G Electric supplies OSG thread mills like the 4100003011 to customers 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 genuine OSG tooling to support your production needs.
How to select the correct OSG thread mill for stainless steel?
Select an OSG thread mill with EXO coated carbide for stainless steel and super alloys, as this coating reduces heat and wear. Match the thread size (e.g., 3/8"-32 UNEF) and flute count to your application. Helical flute designs improve chip evacuation in deep holes. Always verify the tool's recommended cutting parameters from OSG's technical data.
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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.















