Product Description Tungsten Carbide Rods How to choose the grade?Please click here Advantages: 1.High durability,precision,wear resistance,toughness and combination abilities. 2.Good straightness,the roundness and surface roughness of finish ground rods are satisfactory. Application: PCB drills, micro drills, end mills and reamers; mold punches, core pins & hole drilling tools; Packaging & Shipping Company Information Quality Control Perfect detection means and an intact quality certification system to ensure product quality stability and reliability. Kindly Remind: Dear Customer, In order to save your valuable time,please attach the size/drawing/ application and quantity for the products that you need. Thank you very much!