... is for processing with high precision and efficiency. TGK20 TGK35 CNC DEEPHOLE DRILLING & BORING MACHINETGK20/TGK35 CNC deephole drilling & boring machine is suitable ... precision and efficiency.Main Specifications and Features specificationstechnical data(TGK20)technical data(TGK35)range of drilling diameterΦ40-Φ80mmΦ40-Φ100mmrange of ...