Specification Brand : Smileray BulletPoint1 : APPLICATION -Smileray Carbide end mills can be Applicable with copper, copper alloys, cast iron, steels, carbon steels, alloy steels, pre-hardened steels, hardened steels, and stainless steel materials. Best use for materials HRC less than 50. BulletPoint2 : AlTiN Coating: AlTiN, with high aluminum content provides excellent hot hardness and oxidation resistance. BulletPoint3 : HIGH-PERFORMANCE MATERIAL - Smileray Carbide end mill for steels is made from micrograin carbide, which gives it exceptional toughness, durability, and machinability. End mill can perform brilliantly and a excellently value. BulletPoint4 : Highly optimized carbide and coating pairing means superior wear and chipping resistance in your cutting applications. BulletPoint5 : CUSTOMER CARE: Smileray high quality milling tools will be a good helper at work. If any product problems upon receiving, please let us know. We will help you within 24 hours. CutType : Square EndCutType : Square End ExternallyAssignedProductIdentifier1 : 616833850080 ExternallyAssignedProductIdentifier2 : 0616833850080 ExternallyAssignedProductIdentifier3 : 0641799805188 ExternallyAssignedProductIdentifier4 : 0663566007472 FinishType : AlTiN HelixAngle : 4E+1 degrees ItemName : 1/4" Carbide Square End Mill for Steels, HRC 55 Deg, 4 Flute, AlTiN Coating End Mill Bits for Milling Alloy Steels, Hardened Steel, Metal & More(Pack of 5) ItemPackageDimensions_Height : 0.8 inches ItemPackageDimensions_Length : 3.8 inches ItemPackageDimensions_Width : 2.7 inches ItemPackageQuantity : 5 ItemShape : Square ItemTypeKeyword : square-nose-end-mills Manufacturer : SmielrayforEndMill Material : Carbide ModelNumber : 4508-0018 NumberOfCuttingEdges : 4 NumberOfFlutes : 4 NumberOfItems : 1 PackageLevel : unit PartNumber : YKS-ENDMILL4F-55-1/4-5 ProductDescription : 1/4" Carbide Square End Mill for Steels, HRC 55 Deg, 4 Flute, AlTiN Coating End Mill Bits for Milling Alloy Steels, Hardened Steel, Metal & More(Pack of 5) ProductSiteLaunchDate : 2023-08-23T03:34:11.857Z Size : 1/4 inch Style : no holder SupplierDeclaredDgHzRegulation : not_applicable ToleranceHeld : Precision UnitCount : 5 UnspscCode : 27112803