Solid carbide micro drill for PCB with high quality

Solid carbide micro drill for PCB with high quality Specification 1. Precision Cobalt micro drill bits 2. Good centering & chip removal easily 3. Fast drilling& long life 4. Material: tungsten carbide 5. Manufacturing Process: Fully Ground 7. Size: From 0.2mm to 3.175mm with shank diameter 3.175mm. Advantages * We will inspect and test all products after finishing production and before delivery. * We can provide dimension & inspection certificate as customers' requirements. *