Specification Brand : Utoolmart BulletPoint1 : 【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. BulletPoint2 : 【Material】- Twist Drill is made of high speed steel, high speed steel construction is designed for durability and extended tool life. BulletPoint3 : 【Feature】- Nitrogen Oxidation and Heat Treatment can increase the hardness and corrosion resistant of twist drill bit. BulletPoint4 : 【Application】- Perfect for copper, aluminum alloy, as well suit for wood. BulletPoint5 : 【Special Design】- Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance. Color : silver CuttingAngleString : 118 degrees ExternallyAssignedProductIdentifier : 5023969304809 ExternallyAssignedProductIdentifier1 : 882208384973 ExternallyAssignedProductIdentifier2 : 0882208384973 ExternallyAssignedProductIdentifier3 : 00092097112506 FinishType : Gold GpsrSafetyAttestation : 1 IncludedComponents : Blacksmith's M2 HSS Professional Drill Bit 14mm ItemDisplayDimensions_Height : 20.8 centimeters ItemDisplayDimensions_Length : 5.2 centimeters ItemDisplayDimensions_Width : 3 centimeters ItemName : 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 ItemPackageDimensions_Height : 14.097 centimeters ItemPackageDimensions_Length : 1.4986 centimeters ItemPackageDimensions_Width : 13.3096 centimeters ItemPackageQuantity : 5 ItemTypeKeyword : jobber-drill-bits Manufacturer : Utoolmart Material : Metal ModelNumber : UT190828Z-0075 NumberOfFlutes : 4 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : UT190828Z-0075 ProductDescription : Utoolmart Twist Drill High Speed Steel Bit
Description 1. High-speed steel straight shank drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. 2. Premium nitride coating can apply lubricant better for smoother drilling and is durable and corrosion resistant. 3. Reduced shank drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. 4. For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials. Perfect tool for maintenance departments, machine shops, and other industries.
How to Use Twist Drill Bits * Ensure the left and right cutting edges of the drill are symmetrical when drilling. * Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.