Kendo Drill Bit Set - Cobalt 29PCS

Highquality materials Twist jobber length drill bit made of 5 cobalt alloyed high speed steel Bronze steam surface treatment provides a combination of hardness and toughness for wear resistance rigid thick web design strengthens the core to increase drill bit durability More professional performance Selfcentring 135degree split point tip helps to reduce thrust and aids an easier penetration Tips are professionally hardened and polished for more accurate and fast drilling and faster removal of chips and particles More comprehensive applications The cobalt drill bit set can be used effectively on most soft and hard materials such as stainless steel cast iron high temperature alloy titanium alloy plastics and woods Size Packaging Including 116 564 332 764 18 964 532 1164 316 1364 732 1564 14 1764 932 1964 516 2164 1132 2364 38 2564 1332 2764 716 2964 1532 3164 12 Packed in a plastic box with size index for easier storage Provide longterm aftersales service If you are not satisfied with our product for any reason we offer 100 refund or replacement