Purchase Qty. Reference FOB Price
1-9 Sets US$36.86
10-99 Sets US$35.86
100+ Sets US$34.86
Product Description
Vacuum Brazed Diamond Core Drill Bit Set Vacuum brazed is a process that uses high temperature and low pressure in a vacuum environment to braze. In the vacuum environment, due to the low pressure, the gas will not cause oxidation, hydrogenation or nitriding reactions, so it can be welded with ...