Diameter (mm): 12 to 350

Drilling depth (mm):70,100,150,250,300,350,400,450,500,600,750,800,1000,1200

Arbor: 1/2" GAS,1/2"BSP, 5/8"-11，1-1/4"-7 UNC

Our diamond core dill with shank is specially designed and manufactured on our own. In order to ensure the quality,we purchase qualified tube from prestigious steel tube manufacturers in China. We weld the shank in the rear in compliance with international standard of rigidity.Grounded on the integrated system of production and management,our product is endowed with high precision and balance capacity.

Benefting from unsurpassed quality, our diamond core dill with shank is not only used for our own production, but alsois extensively sold to Europe,America, Korean and Chinese enterprises in this industry.