WIDIA Round Milling Insert: RNGJ1204M0SMH (MPN 5123900)
SKU 3G-OTH-269583
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Frequently Asked Questions
What is the WIDIA Round Milling Insert RNGJ1204M0SMH used for?
This WIDIA round milling insert is designed for high-feed roughing and finishing operations in metalworking. It is commonly used on CNC milling machines for contouring, slotting, and profiling in industries such as automotive, aerospace, and general engineering. The round geometry provides smooth cutting action and even wear distribution.
What are the specifications of the WIDIA RNGJ1204M0SMH insert?
The WIDIA RNGJ1204M0SMH is a round indexable milling insert with manufacturer part number 5123900. It features a 12 mm diameter, 4 mm thickness, and a SMH grade for steel and stainless steel applications. The insert has a molded chipbreaker for effective chip control at moderate feed rates.
Where to buy WIDIA round milling inserts in worldwide?
You can source WIDIA round milling inserts through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for pricing and lead time on the RNGJ1204M0SMH insert. We supply genuine WIDIA tooling for your machining needs.
How to select the right WIDIA milling insert for your application?
Selecting the correct WIDIA insert involves matching the insert geometry, grade, and size to your workpiece material and operation. For steel and stainless steel, the RNGJ1204M0SMH with SMH grade is suitable. Consider cutting speed, feed rate, and depth of cut based on your machine's capabilities and the material hardness.
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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.















