Specification Brand : DURATECH BulletPoint1 : 21PCS DRILL BIT SET: 16 commonly used sizes, including : 2x1/16",2x5/64",2x3/32",2x7/64",2x1/8",9/64",5/32",11/64",3/16",13/64",7/32",15/64",1/4",5/16",3/8",1/2".Satisfy various diy assignment, repairing demand and household improvement. BulletPoint2 : HIGH QUAILTY MATERIAL: High-Speed Steel(HSS) with titanium plating provides high hardness and durability, which avoids rusting and resists abrasion.135° split point tip allows fast cutting, chips clearing and precise drilling. BulletPoint3 : UNIVERSAL COMPATIBLE SYSTEM: 21PCS Titanium impact twist drill bit set is compatible with power drill driver, impact drivers, and other power tools, easily for locking into quick change chuck. BulletPoint4 : STACKABLE STORAGE BOXES: Designed with stackable push buttons, boxes of different sizes can be firmly stacked and combined at will to facilitate carrying and storage. And the mark printed on the box is convenient to identify. You can carry or organize the drill bits easily with this case. BulletPoint5 : APPLY MATERIAL: Suitable for wood, PVC, soft metal including copper, aluminum alloy, plasterboard, stainless steel, etc. CAN NOT used for glass, ceramic or masonry construction materials. BulletPoint6 : Spiral Twist Flute: The drill bit is designed with spiral twist flute ensures fast chips and debris removal during drilling application BulletPoint7 : Round Shank: Featured with standard round shank is vasertile with various chucking types of tool holders when drilling different material Color : Blue CuttingAngleString : 135.0 degrees ExternallyAssignedProductIdentifier : 5060639920488 ExternallyAssignedProductIdentifier1 : 820909793823 ExternallyAssignedProductIdentifier2 : 8209097938230 ExternallyAssignedProductIdentifier3 : 0820909793823 FinishType : Titanium GpsrSafetyAttestation : 1 HandOrientation : Right Hand IncludedComponents : NO ItemName : DURATECH Drill Bit Set, 21PCS Titanium Impact Twist Drill Bit Set with Tough Case, HSS Twist Drill Bits Kit for Soft Metal, Wood, PVC (1/16" - 1/2") ItemPackageDimensions_Height : 18.9992 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 11.4046 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : jobber-drill-bits Manufacturer : DURATECH Material : High Speed Steel Material1 : Stainless Steel Material2 : High Speed Steel ModelNumber : DW5235 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 29 PackageLevel : unit PartNumber : 1 ProductDescription : Description: 1. Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life. 2. The jobber extended drill is suitable for a wide range of applications, allowing you to access hard-to-reach areas where ordinary drills cannot. High hardness, sharp twist drill bits will make drilling easier and more efficient. 3. Split point tip and twist design increases cutting speed while easily self-centering to prevent movement. The twisted design of the drill bit quickly removes drilled chips, then leaving a smooth hole. 4. Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill. 5. For drilling on thin aluminum, copper, wood, PCB board. Not suitable for concrete, masonry and stainless steel.