Carbide twist drill 5XD is our standard drill with shorter flute length, widely used for drilling workpiece with shallow holes.
Carbide drill bits with coolant through, mostly used for drilling stainless steel, cause stainless steel is a hard material, a lot of heat generated during the drilling process, coolant-fed can cool down the drill, to extend the tool life.
5Xd Twist Drill,Twist Drill Bit For Metal,Twist Drill Bits,Precision Twist Drill ROYI CNC TOOL TAIXING CITY CO.,LTD , https://www.royitools.com
The 30/35 coarse grain diamond produced by Henan Nanyang Zhongnan Diamond Co., Ltd. has recently obtained the national approval certificate. The advent and mass production of this product indicates that the history of China's history of not producing coarse-grain high-grade diamonds has been rewritten, and China's diamond synthesis technology has reached the world's advanced level. Henan Nanyang Zhongnan Company has synthesized a coarse-grain high-grade diamond single crystal which can only be mass-produced by foreign two-side presses on the domestic six-face press. The cost is only one quarter of the cost of similar foreign products.