a glass core drill

Diameter size / The product is manufactured in front length, and diamond mesh and bond may change depending on the strength of the workpiece.*Most products under 30 pi also sell seamer products.Worldstar, a company specializing in diamond tool manufacturing.We have many solutions through transactions with various companies for 30 years now.The main products mainly manufacture small precision diamond tools with 1.5 to 10 pi, and if you let me know the size and material of the product, you can consult more easily.Representative Lee In-gyu I e-mail: 1205tjddlf@naver.com World Star 65-28, Sindeok-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do