Cobalt Extra Long Drill Bits Set(5PCS), M35 High Speed Steel Extension Drill Bit, 12″ Deep Hole Drilling for Stainless Steel, Plastic and Wood. M35 Cobalt High Speed Steel: Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set.
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Cobalt Single End Countersink Drill Bits Set, TiAlN Coated 90 Degree Heavy Du…
Say goodbye to lost bits and restless searches for the right tool. Comprehensive Tool: 1PC 5-10MM countersink chamfer tool is included, providing for your drilling needs. Material: Cobalt, Cobalt Steel.