ASTM A563/A563M Grade O Heavy Hex Nut 7/8 – UNC 9 TPI – Plain Manufacturer: TTBOLT SKU: TTB-A563-O-0875-UNC-PL Add to compare list Email a friend Standard: ASTM A563/A563M Product Type: Heavy Hex Nut Diameter: 7/8 Thread: UNC 9 TPI Width Across Flats: 1.394–1.438 in Nut Height: 0.833–0.885 in Material: Carbon Steel Grade: O Finish: Plain Estimated Weight: 135.32 g/pc This Heavy Hex Nut is manufactured and supplied by TTBolt in accordance with ASTM A563/A563M.This exact catalog variant has size 7/8, thread UNC 9 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 NutSize7/8ThreadUNC 9 TPIThread directionRight HandMaterialCarbon SteelGrade / property classOFinishPlainWidth across flats range1.394–1.438 inWidth across corners range1.589–1.66 inNut height range0.833–0.885 inMass per piece135.32 g/pcMass per 100 pieces13.532 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (7/8), thread (UNC 9 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 7/8، رزوه UNC 9 TPI، ساده 7/8 in | O | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.875in گام رزوهn-9TPI عرض آچارخورs1.3941.438in عرض روی گوشههاe1.5891.66in ارتفاع مهرهm0.8330.885in مشخصات محصول رزوه7/8 9 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-0875-UNC-PL Heavy Hex Nut - ASTMA563 7/8 in | O | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.875in Threads per inchn-9TPI Width across flatss1.3941.438in Width across cornerse1.5891.66in Nut heightm0.8330.885in PRODUCT DATA Thread7/8 9 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-0875-UNC-PL Products specifications Attribute name Attribute value Standard ASTM A563/A563M Product Type Heavy Hex Nut Width Across Flats 1-7/16 in Property Class O Width Across Flats Range 1.394–1.438 in Width Across Corners Range 1.589–1.66 in Nut Height 55/64 in Nut Height Range 0.833–0.885 in Geometry Reference ASME B18.2.2 Heavy Hex Nut Material Carbon Steel Property Class / Grade O Finish Plain Unit System in Estimated Weight 135.32 g/pc Market Status Standard Thread Thread Type UNC Thread Pitch 9 TPI Thread Direction Right Hand Dimensions Diameter 7/8