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Heyiarbeit 8.2mm Twist Drill High Speed Steel Bit HSS-4241 for Steel Aluminum Alloy 3 pcs - DU040201ZGP04-FBA
Heyiarbeit DU040201ZGP04-FBA
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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 stainless steel, copper, aluminum alloy, as well suit for wood, plastic. [Special Design]- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance.
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