Interstate HSS & M-42 Cobalt 60 Combined Drills & Countersinks

Plain Short Type

• Combined drills and countersinks are designed with spiral flutes to give long tool life and high quality center holes where accurate centering is essential to good quality for subsequent operations.
• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
• Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
• Sold individually.

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