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Features
● The product is made precisely of hard alloy and enjoys the hardness up to HRA90. Two terminals and inner hole are all receive mirror surface treatment to ensure enameled wire makes no scrape.

Benefits
● High hardness， resistance to flexure， block and impact.

Application
● Applied for wire coiling of various motors.
● Work limit: dl= d2≥0. 1mm D1≥0.3mm