Ejection Pin Suits Alpha Carbide Xtra TCT Annular Cutters | 14-17mm x 50mm DOC Consider it a job well done with the new high-quality, tough and long-lasting Carbide Xtra TCT Annular Cutters from Alpha. With specially designed tool geometry to provide a 64% faster and smoother cut than the current market standard, these durable TCT annular cutters have been carefully developed to complete ANY job, quickly and efficiently. The expertly engineered Premium Sandvik® Tungsten Carbide Teeth ensure high performance and cuts the cost of standard hole broaching in half, with the life of 1x TCT cutter equalling 10x HSS cutters.