Nanjing Zhongwu Cemented Carbide Co., Ltd.  

Product Name: Tungsten Carbide Gd Series Solid Carbide Drills Model NO.: GD03 GD04 GD05 Material: Cemented Carbide Coating: Coating Standard: Standard Application: Drilling Machine, CNC Certification: ISO9001:2008, ISO9001:2000, CE Transport Package: Carton Box Origin: China Product Description 1.Drill diamater :Φ2.0-Φ2.52.Length :3d-5d3.Material:KDG3013/KDG3034.selection of the drill