Utoolmart 28mm Reduced Shank Drill Bit HSS 6542 Black Oxide with 1/2 Inch Straight Shank 1pcs

Utoolmart Straight Shank High Speed Steel Drill Bit Descriptions 1. High-speed steel tool is good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance. 2. Reduced shank drill expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. 3. Black oxide treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge. 4. Design for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal. 5. Running in a counterclockwise direction (right-hand cut), spiral fluted tool evacuates chips up and out of the cut to reduce clogging. Specification Product Name: Straight Shank Drill Bit Material: High Speed Steel (HSS-6542) Cutting diameter: 28mm / 1.10-inch Cutting Edge Length: 70mm / 2.76-inch Overall Length: 155mm / 6.1-inch HRC: 65-66 Color: Black Surface treatment: Nitriding treatment Package Content * 1 Pcs x Straight Shank Drill Bit