High Speed Steel Twist Drill Bits 20Pcs Rotary Drilling Jewelers Repair Tools

20 High Speed Twist Drill Bits Great for Metalsmiths, Metal Working & Drilling

• The is a new set of 20 high speed steel twist drill bits
• Great for drilling ferrous metals, tough casting sand forgings, working hardened stainless steel and other hard steels and tough high tensile strength nonferrous metals like titanium
• These bits are sizes #61 to #80
• Drill Bit Sizes in mm
• #61 - .991mm
• #62 - .965mm
• #63 - .940mm
• #64 - .914mm
• #65 - .889mm
• #66 - .838mm
• #67 - .813mm
• #68 - .787mm
• #69 - .742mm
• #70 - .711mm
• #71 - .660mm
• #72 - .635mm
• #73 - .610mm
• #74 - .572mm
• #75 - .533mm
• #76 - .508mm
• #77 - .457mm
• #78 - .406mm
• #79 - .368mm
• #80 - .343mm

Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.

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