ASTM A194/A194M Grade 7 Heavy Hex Nut 3-1/2 – 8UN – Black Oxide Manufacturer: TTBOLT SKU: TTB-A194-G7-350-8UN-BO Add to compare list Email a friend Material specification: ASTM A194/A194M-26 Product Type: Heavy Hex Nut Diameter: 3-1/2 Thread: 8UN, 8 TPI Width Across Flats (basic): 5-3/8 in Width Across Flats (limits): 5.2–5.375 in Width Across Corners (limits): 5.928–6.207 in Nut Height (basic): 3-7/16 in Nut Height (limits): 3.37–3.506 in Material: Alloy Steel Grade: 7 Finish: Black Oxide Geometry reference: ASME B18.2.2-2022 ASTM A194/A194M Grade 7 Heavy Hex Nut 3-1/2 – 8UN – Black Oxide is a Heavy Hex Nut manufactured and supplied by TTBolt in accordance with ASTM A194/A194M.This exact catalog variant has size 3-1/2, thread 8UN 8 TPI, material Alloy Steel, grade 7 and finish Black Oxide. 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 NutSize3-1/2Thread8UN 8 TPIThread directionRight HandMaterialAlloy SteelGrade / property class7FinishBlack OxideWidth across flats range5.2–5.375 inWidth across corners range5.928–6.207 inNut height range3.37–3.506 inMass per piece6436.836 g/pcMass per 100 pieces643.6836 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (3-1/2), thread (8UN 8 TPI), grade (7) and finish (Black Oxide). 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 Grade7 Issued2026-10-04 فارسی English مهره شش‌گوش سنگین ASTMA194 گرید 7 سایز 3-1/2 سیاه‌کاری 3-1/2 in | 7 | پوشش Black Oxide نماهای واقعی محصول ایزومتریک نمای مکمل نمای جانبی جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-3.5in گام رزوهn-8TPI عرض آچارخورs5.25.375in عرض روی گوشه‌هاe5.9286.207in ارتفاع مهرهm3.373.506in مشخصات محصول رزوه3-1/2 8 TPI 8UN جهت رزوهراست‌گرد گرید7 پوششBlack Oxide متریالAlloy 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 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-G7-350-8UN-BO Heavy Hex Nut - ASTMA194 3-1/2 in | 7 | Black Oxide Finish ACTUAL PRODUCT VIEWS ISO Rear Side DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-3.5in Threads per inchn-8TPI Width across flatss5.25.375in Width across cornerse5.9286.207in Nut heightm3.373.506in PRODUCT DATA Thread3-1/2 8 TPI 8UN Thread directionRight hand Grade7 FinishBlack Oxide MaterialAlloy 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 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-G7-350-8UN-BO 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 5-3/8 in Width Across Flats Range 5.2–5.375 in Width Across Corners Range 5.928–6.207 in Nut Height 3-7/16 in Nut Height Range 3.37–3.506 in Material Alloy Steel Property Class 7 Finish Black Oxide Market Status Standard Estimated Weight 6436.836 g/pc Thread Thread Type 8UN Thread Pitch 8 TPI Dimensions Diameter 3-1/2
