https://www.endmillmts.com/product/hrc45-roughing-end-mills-4-flute/
HRC45 Roughing End Mills 4 Flute - MTS TOOLS
HRC45 Raw material: Zigong YG10X, high hardness, good wear resistance and corrosion resistance. Coating: ALTIN, high aluminum content provides excellent hot...
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https://rtjtool.com/aluminum-roughing-end-mills-1/
Aluminum Roughing End Mills| RTJ Tool Company
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