Description of SING LTD Countersink Titanium Plated Industrial
[6 Sizes to Meet Various Needs]:With 6x size 6-19mm 5 flutes 1/4¡å hex shank 90¡ã countersink drill bits,plated titanium used for industry electrician working. [Exquisite Design]:A chatter-free,5 flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting. Surface treatment]:Titanium plating,used for rust preve-ntion,and more beautiful,also can increase surface hardness. [Advantage]:With high sensitivity,stable performance,abrasion resis-tance,scratch resistance and high accuracy. [Extensive Use]:Also exquisite workmanship,suitable for industrial produ-ction,DIY,home and general Building,engineering using.