REGAL 017858AS 1-3/8"-8 Size, H5 Thread Limit, Straight Flute Hand Tap Brand REGAL Tool Material High Speed Steel Finish Coating Bright Thread Size 1-3/8"-8 Cutting Direction Right Hand Thread Length 3" Overall Length 6.0625" Size Type ANSI Thread Limit H5 Chamfer Style Bottoming No. of Flutes 4 Thread Type 8UN Shank Diameter 1.108" Type 8 Pitch Hand Tap Model # 017858AS Basic Major Diameter 1.375" Basic Pitch Diameter 1.2938" Chamfer Bottoming First Choice For: Steel Flute Shape Straight Flute General Application Tapping Hardness 58 to 60 RC Minimum Major Diameter 1.3862" Minimum Pitch Diameter 1.2953" Overall Diameter 1.375" Pitch Diameter 1.2953" Pitch Tolerance 0.001" Prop. 65 Yes Size 1-3/8" Square Length 1" Square Size 0.831" Tolerance Class 2B Tolerance_Flute Length 3/32" Tolerance_Overall Length 3/32 Tolerance_Shank Minus .002" Tolerance_Shank Square Minus .008" Tolerance_TIR 0.0016" UNSPSC 23241615 Weight 1.5 Workpiece Material Used in a wide variety of materials including low, medium and high carbon steels, castings, forgings and aluminum. Workpiece Material Range Steel, Non-Ferrous, Cast Iron, Plastics We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! SHELF: 101 (box 5) NT