D928 Twist Drills for Cast Iron

Suitable for drilling cast iron of automobile industry and other industries
Wave formed cutting lips provides lowered machining torque
Four margin design ,improvesholewall quality and accuracy
Increased drill point strength through optimized chisel edge
Special edge preparation and treatment to enhance and extend tool life

ADD:No. 69 Xinglong Road, Huli District, Xiamen
Factory Address:Xiamen Tongan Industrial Zone Set