Item Description:Description:Product Name:HSS-M35 Straight Shank Twist DrillMain Material:HSS-M35HRC:64-68Surface treatment: Roasted yellowProcess (grinding/milling/rolling):GrindingSize Chart:Package includes:20pcs x Twist Drill BitFeatures:1.Ideal for most drilling jobs and materials such as aluminum, iron, wood, plastics2. Straight shank design,suitable for many electric drills.3.High drilling efficiency with sharp and twist flute design.Item Specification:DIY Supplies: MetalworkingType: Twist Drill Bitlength: 28 30 32 36 40 46 53 57mmUse: Otheris_customized: YesMaterial: High Speed SteelProduct Name: HSS-M35 Straight Shank Twist DrillMain Color: ChampagneDrill diameter: 0.7-2.4mmShank diameter: 0.7-2.4mmWorking blade length: 9-30mmShank Type: Straight ShankMain Material: HSS-M35Surface treatment: Roasted yellowHRC: 64-68Package includes: 20pcs