WIDIA Round Milling Insert: RNGJ1204M0EML (MPN 5123863)
SKU 3G-OTH-269697
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is WIDIA Round Milling Insert RNGJ1204M0EML used for?
This WIDIA round indexable milling insert is designed for high-feed roughing and finishing operations in steel, stainless steel, and cast iron. Its round geometry reduces cutting forces and improves chip evacuation, making it suitable for aerospace, automotive, and general machining applications.
What are the specifications of WIDIA RNGJ1204M0EML insert?
The WIDIA RNGJ1204M0EML insert has manufacturer part number 5123863. It is a round (R) indexable milling insert with a 12 mm diameter and 4 mm thickness, featuring an EML grade for medium machining. Always verify dimensions and grade with your toolholder manufacturer.
Where to buy WIDIA round milling inserts in worldwide?
3G Electric supplies WIDIA round milling inserts like the RNGJ1204M0EML to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this insert.
How to select the correct WIDIA round milling insert for my application?
Select the WIDIA round insert based on workpiece material, cutting conditions, and desired surface finish. The RNGJ1204M0EML with EML grade suits medium machining of steels and cast irons. Match insert diameter and thickness to your toolholder pocket, and consult WIDIA’s application guide for feed and speed recommendations.
Used in
Common applications for WIDIAWIDIA Products
3G Electric supplies WIDIA round (r) indexable milling inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















