Utoolmart Reduced-Shank Drill Bit, 27.5 mm, HSS 6542, Black Oxide, 1/2 in Straight Shank, 1 Pc.

Description

• High-speed steel tool: 27.5 mm cutting diameter; cutting edge length: 70 mm; overall length: 155 mm. Suitable for most general applications, combining hardness and toughness for wear resistance.
• Reduced shank: Expands the size range of a portable drill chuck. Common flute and overall length require minimal adjustment when changing tools.
• Black oxide finish: Adds lubricity. Small pockets on the tool surface help retain coolant near the cutting edge.
• Wide application: Designed for drilling materials with low and medium tensile strength, such as aluminum, iron, copper, brass, and metal.
• Note: For clean, precise holes, water is required for lubrication and cooling when drilling metal. Increased use of water lubrication extends the drill bit's service life.

Utoolmart high-speed steel drill bit with a straight shank. Description: 1. The high-speed steel tool is suitable for most general applications, combining hardness and toughness for wear resistance. 2. The reduced-shank drill bit expands the size range of a portable drill chuck. The common flute and overall length require minimal adjustment when changing tools. 3. The black oxide treatment adds lubricity. Small pockets on the tool surface help retain coolant near the cutting edge. 4. Designed for drilling materials with low and medium tensile strength, such as aluminum, iron, copper, brass, and metal. 5. Runs counterclockwise (right-hand cutting); the spiral-fluted tool removes chips upward and out of the cut to reduce clogging. Specifications: Product name: Straight-shank drill bit. Material: High-speed steel (HSS 6542). Cutting diameter: 27.5 mm. Cutting edge length: 70 mm. Overall length: 155 mm. HRC: 6566. Color: Black. Surface treatment: Nitriding treatment. Package contents: 1 x straight-shank drill bit.

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