Specification Brand : Hegebeck BulletPoint1 : 【Parameter】- Shank Diameter: 1/2-inch; Total Length: 130mm/5.1-inch to 150mm / 5.9-inch; Bit Diameter: 32mm / 1.26-inch; Material: High Speed Steel 4241 (HSS-4241); Hardness (HRC): 62-63 HRC; Surface Treatment: Polished. BulletPoint2 : 【Material】- This reduced shank drill Bit was made by High Speed Steel which is good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance. BulletPoint3 : 【Advantage】- Polished treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge. Design of reduced shank can expanding the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. BulletPoint4 : 【Wide Application】- Designed for fast drilling in concrete, masonry, artificial stone, and rockDesign for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal. BulletPoint5 : 【Please Note】- To make clean and precise holes, water is required for lubrication and cooling when drilling metals. Increased use of water lubrication will extend drill bit life. CuttingAngleString : 118.0 degrees FinishType : Polished GpsrSafetyAttestation : 1 ItemName : Hegebeck 1-1/4" Reduced-Shank Drill Bit High Speed Steel Stainless Steel Drill Bit with 1/2" Straight Shank for Home DIY and General Building Engineering and Woodworking ItemPackageDimensions_Height : 22.606 centimeters ItemPackageDimensions_Length : 3.7084 centimeters ItemPackageDimensions_Width : 4.9022 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : reduced-shank-drill-bits Manufacturer : Hegebeck Material : Carbide Material1 : Stainless Steel Material2 : High Speed Steel ModelNumber : GU0201Z2101MU-FBA NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : GU0201Z2101MU-FBA ProductDescription : Hegebeck Reduced-Shank Drill Bit Specifications: Material: HSS-4241 Dimensions: Cutting diameter: 32mm/ 1-1/4inches; Shank Diameter: 1/2 inches; Total length: 150mm / 5.9 inches Color: Sliver HRC: 62-63 Description: 1.High-speed steel tool is good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance. 2.Polished treatment adds lubricity. Small pockets on the surface of the tool that act to hold coolant near the cutting edge. 3.When drilling, conditionally add coolant or cutting fluid to cool down to reduce the damage of high temperature to the drill bit and extend the service life of the drill bit. 4.Cutting speed should not be too high, to prevent burning, rate should not be too large, to prevent the drill wear. Package Content: 1 pcs x Reduced-Shank Drill Bit