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Utoolmart Twist Drill High Speed Steel Bit, Mini Twist Drill Bits Set, Jobber Small Twist Drill Bits, 8.2mm Twist Drill, HSS-4241 Twist Drill Bit Set, for Steel Aluminum Alloy, 5 Pcs - UT190828Z-0075
Utoolmart UT190828Z-0075
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UPC
882208384973
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【Dimension】- The bit diameter and shank diameter of this twist drill bit is 8.2mm / 0.32-inch, the cutting length is 78mm / 3.07-inch and total length is 117mm / 4.61-inch, Hardness (HRC) is 62-63. 【Material】- Twist Drill is made of high speed steel, high speed steel construction is designed for durability and extended tool life. 【Feature】- Nitrogen Oxidation and Heat Treatment can increase the hardness and corrosion resistant of twist drill bit. 【Application】- Perfect for copper, aluminum alloy, as well suit for wood. 【Special Design】- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance.
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