ASTM A563/A563M Grade O Heavy Hex Nut 1-3/8 – UNC 6 TPI – Plain Manufacturer: TTBOLT SKU: TTB-A563-O-1375-UNC-PL Add to compare list Email a friend Standard: ASTM A563/A563M Product Type: Heavy Hex Nut Diameter: 1-3/8 Thread: UNC 6 TPI Width Across Flats: 2.119–2.188 in Nut Height: 1.31–1.378 in Material: Carbon Steel Grade: O Finish: Plain Estimated Weight: 475.568 g/pc This Heavy Hex Nut is manufactured and supplied by TTBolt in accordance with ASTM A563/A563M.This exact catalog variant has size 1-3/8, thread UNC 6 TPI, material Carbon Steel, grade O and finish Plain. It is intended for compatible threaded assemblies where the specified thread, grade and bearing geometry are required.Technical data for this exact variantStandardASTM A563/A563MProduct typeHeavy Hex NutSize1-3/8ThreadUNC 6 TPIThread directionRight HandMaterialCarbon SteelGrade / property classOFinishPlainWidth across flats range2.119–2.188 inWidth across corners range2.416–2.526 inNut height range1.31–1.378 inMass per piece475.568 g/pcMass per 100 pieces47.5568 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (1-3/8), thread (UNC 6 TPI), grade (O) and finish (Plain). Price calculations may use the theoretical mass shown above; final manufactured mass can vary with dimensional tolerances, chamfers, radii, coating thickness and production process. Technical drawing & data Download technical PDF Technical data sheet TTBoltIndustrial Fasteners Engineering Data Sheet DocumentTechnical Data Sheet StandardASTMA563 GradeO Issued2026-10-05 فارسی English مهره ششگوش سنگین ASTMA563 گرید O سایز 1-3/8، رزوه UNC 6 TPI، ساده 1-3/8 in | O | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-1.375in گام رزوهn-6TPI عرض آچارخورs2.1192.188in عرض روی گوشههاe2.4162.526in ارتفاع مهرهm1.311.378in مشخصات محصول رزوه1-3/8 6 TPI UNC جهت رزوهراستگرد گریدO پوششPlain متریالCarbon Steel فرم رزوهUnified 60 deg یادداشتهای فنی 1. تمام ابعاد بر حسب اینچ هستند مگر آنکه خلاف آن ذکر شده باشد. 2. تصاویر محصول از مدل Master در SolidWorks و با همان پارامترهای این ردیف تولید میشوند. 3. مقادیر حداقل و حداکثر از جدول ابعادی ASTMA563 گرفته شدهاند؛ جایی که استاندارد تلرانس تعریف نکرده، تنها مقدار اسمی درج شده است. 4. وزنهای درجشده در فروشگاه نظریاند و برای برآورد قیمت کاربرد دارند. شماره قطعهTTB-A563-O-1375-UNC-PL Heavy Hex Nut - ASTMA563 1-3/8 in | O | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-1.375in Threads per inchn-6TPI Width across flatss2.1192.188in Width across cornerse2.4162.526in Nut heightm1.311.378in PRODUCT DATA Thread1-3/8 6 TPI UNC Thread directionRight hand GradeO FinishPlain MaterialCarbon Steel Thread formUnified 60 deg TECHNICAL NOTES 1. All dimensions are in inches unless stated otherwise. 2. Product views are generated from the SolidWorks master using the parameters of this row. 3. Minimum and maximum values are taken from the ASTMA563 dimension table; where the standard defines no tolerance, only the nominal value is shown. 4. Catalog weights are theoretical and intended for price estimation. Part numberTTB-A563-O-1375-UNC-PL Products specifications Attribute name Attribute value Standard ASTM A563/A563M Product Type Heavy Hex Nut Width Across Flats 2-3/16 in Width Across Flats Range 2.119–2.188 in Width Across Corners Range 2.416–2.526 in Nut Height 1-11/32 in Nut Height Range 1.31–1.378 in Geometry Reference ASME B18.2.2 Heavy Hex Nut Material Carbon Steel Property Class / Grade O Finish Plain Unit System in Estimated Weight 475.568 g/pc Market Status Standard Thread Thread Type UNC Thread Pitch 6 TPI Thread Direction Right Hand Dimensions Diameter 1-3/8