Bit is constructed of M-2 high speed steel for strength, heat resistance and wear resistanceFor general use in wood, metal, and plastic135-degree split point ensures a true start and eliminates bit walkingPack of 6 CTN Manufacturer part number: 63521 UPC Code: 42526635212Conforms to NAS-907 Type B StandardsSpecifications:Applicable Materials = Metal; Plastic; WoodApplications = General Metal DrillingBit Length = 3 5/16 inCutting Diam [Nom] = 21/64 inCutting Edge Material = HSSFinish = Black OxideFlute Length = 3 5/16 inLength Group = JobberMate