- 产品描述
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●Range of Size:φ 3.20mm~ φ 6.50mm
●Application range:
HDI board, High Tg board, Ceramic board, Metal boared, Normail FR-4 board and Various types of copper laminate material.
●Product Characteristics:
Good abrasion resistance,scraps sharp and long life- time etc, to ensure the accuracy of holes and precise position.