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Product Name | 21.5mm Reduced Shank Drill Bit HSS 6542 Black Oxide with 1/2 Inch Straight Shank |
Material | M2 |
Process | Fully Ground |
Finish Type | Black Oxide |
Features | * High Speed Steel tool - 21.5mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance * Reduced Shank - Expanding the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes * Black Oxide Finish - Black oxide treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge * Wide Application - Design for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal * Please Note: To make clean and precise holes, water is required for lubrication and cooling when drilling metals. Increased use of water lubrication will extend drill bit life |









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