Specification Brand : uxcell BulletPoint1 : Specification: Drill Bit Diameter: 1.1mm / 0.04-inch, Flute Length: 100mm / 3.94-inch, Shank Diameter: 1.1mm / 0.04-inch, Total Length: 100mm / 3.94-inch; 5 x Mini Drill Bits BulletPoint2 : High Speed Steel: Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life. BulletPoint3 : Extended Drill: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. BulletPoint4 : Twisted Design: 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. BulletPoint5 : Notice: Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill. ExternallyAssignedProductIdentifier1 : 762234494108 ExternallyAssignedProductIdentifier2 : 0762234494108 FinishType : Aluminum GpsrSafetyAttestation : 1 ItemName : uxcell 5 Pcs 1.1mm Mini Micro Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 100mm for Aluminum Alloy ItemPackageDimensions_Height : 14.5034 centimeters ItemPackageDimensions_Length : 1.6002 centimeters ItemPackageDimensions_Width : 9.906 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : jobber-drill-bits Manufacturer : uxcell Material : High Speed Steel Material1 : Stainless Steel Material2 : High Speed Steel ModelNumber : a22022400ux0879 NumberOfFlutes : 2 PartNumber : a22022400ux0879 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.