ASTM A194/A194M Grade 8M Heavy Hex Nut 3-1/4 – 8UN – Plain Manufacturer: TTBOLT SKU: TTB-A194-G8M-325-8UN-PL Add to compare list Email a friend Material specification: ASTM A194/A194M-26 Product Type: Heavy Hex Nut Diameter: 3-1/4 Thread: 8UN, 8 TPI Width Across Flats (basic): 5 in Width Across Flats (limits): 4.838–5 in Width Across Corners (limits): 5.515–5.774 in Nut Height (basic): 3-3/16 in Nut Height (limits): 3.124–3.252 in Material: Stainless Steel 316 (UNS S31600) Grade: 8M Finish: Plain Geometry reference: ASME B18.2.2-2022 ASTM A194/A194M Grade 8M Heavy Hex Nut 3-1/4 – 8UN – Plain is a Heavy Hex Nut manufactured and supplied by TTBolt in accordance with ASTM A194/A194M.This exact catalog variant has size 3-1/4, thread 8UN 8 TPI, material Stainless Steel 316 (UNS S31600), grade 8M 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 A194/A194MProduct typeHeavy Hex NutSize3-1/4Thread8UN 8 TPIThread directionRight HandMaterialStainless Steel 316 (UNS S31600)Grade / property class8MFinishPlainWidth across flats range4.838–5 inWidth across corners range5.515–5.774 inNut height range3.124–3.252 inMass per piece5248.38 g/pcMass per 100 pieces524.838 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (3-1/4), thread (8UN 8 TPI), grade (8M) 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 StandardASTMA194 Grade8M Issued2026-10-04 فارسی English مهره شش‌گوش سنگین ASTMA194 گرید 8M سایز 3-1/4 ساده 3-1/4 in | 8M | پوشش Plain نماهای واقعی محصول ایزومتریک نمای مکمل نمای جانبی جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-3.25in گام رزوهn-8TPI عرض آچارخورs4.8385in عرض روی گوشه‌هاe5.5155.774in ارتفاع مهرهm3.1243.252in مشخصات محصول رزوه3-1/4 8 TPI 8UN جهت رزوهراست‌گرد گرید8M پوششPlain متریالStainless Steel 316 (UNS S31600) 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 ASTMA194 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-A194-G8M-325-8UN-PL Heavy Hex Nut - ASTMA194 3-1/4 in | 8M | Plain Finish ACTUAL PRODUCT VIEWS ISO Rear Side DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-3.25in Threads per inchn-8TPI Width across flatss4.8385in Width across cornerse5.5155.774in Nut heightm3.1243.252in PRODUCT DATA Thread3-1/4 8 TPI 8UN Thread directionRight hand Grade8M FinishPlain MaterialStainless Steel 316 (UNS S31600) 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 ASTMA194 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-A194-G8M-325-8UN-PL Products specifications Attribute name Attribute value Material Specification ASTM A194/A194M-26 Common Requirements ASTM A962/A962M-26 Geometry Reference ASME B18.2.2-2022, Table 1.1.1-11 Thread Reference ASME B1.1-2024 Product Type Heavy Hex Nut Width Across Flats 5 in Width Across Flats Range 4.838–5 in Width Across Corners Range 5.515–5.774 in Nut Height 3-3/16 in Nut Height Range 3.124–3.252 in Material Stainless Steel 316 (UNS S31600) Property Class 8M Finish Plain Market Status Standard Estimated Weight 5248.38 g/pc Thread Thread Type 8UN Thread Pitch 8 TPI Dimensions Diameter 3-1/4
