KENDO 29PCS Cobalt Drill Bit Set (1/16''-1/2''), M35 High Speed Steel,135 Degree Tip, Twist Jobber Length Drill Bits Set for Hard Metal, Stainless Steel, Cast Iron and Wood with Storage Case

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About This High-quality materials: Twist jobber length drill bit made of 5% cobalt alloyed high speed steel. Bronze steam surface treatment provides a combination of hardness and t oughness for wear resistance rigid, thick web design strengthens the core to increase drill bit durability. More professional performance: Self-centring 135-degree 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 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2". Packed in a plastic box with size index for easier storage. Provide long-term after-sales service: If you are not satisfied with our product for any reason, we offer 100% refund or replacement. Overview Material : Cobalt Steel Shank Diameter : 0.5 Inches Cutting Diameter : 0.06 Inches Finish Type : Bronze Shank Type : Straight Show more