AJX High-Feed Milling Cutter Holder. High feed milling design for increased machining efficiency. Indexable insert structure for cost-effective tool maintenance. Strong cutter body for stable cutting performance. Suitable for high-efficiency rough machining. Compatible with common carbide JDMW120420ZER milling inserts. M – Stainless Steel. K – Cast Iron. Its structure adopts an integral design, with some products featuring coatings, providing strong vibration resistance. It is suitable for use on medium to high-power machine tools and widely applied in high-efficiency machining scenarios such as the mold industry. When used with fast feed milling cutter heads, it significantly improves metal cutting efficiency, enables faster cutting speeds, reduces cutting heat and vibration, and extends tool life.