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High Speed Sintered Self Sharpening Cone Threaded Glass Diamond Drill Bit

Shank: Taper shank/Tread shank;
Segment: Bronze powder + diamond powder sintered;
Material: Cobalt alloy matrix;
Features:
1. Cutting edge chip flute design greatly improves drilling efficiency;
2. There is no need for sharpening during use, and it can be used up directly, saving time and improving efficiency;

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