good quality and competitive price Twist Drill .MeterialHSS 4241, HSS 4341, HSS 9341, M2 (6542), M35, ,etc2.standard DIN338, DIN1897, DIN340, DIN1869, ... service available9, Assured interchangeability10, Various material choicesOur EquipmentOur CertificateOur customers HSS Twist Drill