1.virgin material; 2.Buttons for oil-field drill bits 3. 13 years expertise 4. Wholesale & Retail buttons 5.factory price Cemented carbide buttons1.Carbide button has a unique performance, it is widely used in petroleum drilling and snow removal, snow plow machines and other equipments. 2.Also be used for drilling, mining and road sweeping machine, snow removal and road maintenance tools. More. it has a gerat help in  quarrying, mining, tunneling tools, as well as civil construction.Production & others1.Buttons are produced based on the drawing and clients' demands.2.Before placing an order, pls inform the size and offer drawing.3.If have no idea about the buttons, feel free to ask us and learn more.4. More than 13 years expertise to supply products to meet your needs.5. Any probelms or question, pls contact us immediately.More pic for reference1.Carbide button has a unique performance, it is widely used in petroleum drilling and snow removal, snow plow machines and other equipments. 2.Also be used for drilling, mining and road sweeping machine, snow removal and road maintenance tools. More. it has a gerat help in  quarrying, mining, tunneling tools, as well as civil construction.