ASME B18.2.6 Grade A490 Heavy Hex Structural Bolt 1-1/8 × 3 in – 8UN 8 TPI – Plain Manufacturer: TTBOLT SKU: TTB-ASMEB18.2.6-A490-1125X300-8UN-8TPI-PL Add to compare list Email a friend ASME B18.2.6 Grade A490 Heavy Hex Structural BoltSize: 1-1/8 × 3 inThread: 8UN 8 TPIThread length: 2 inWidth across flats: 1-13/16 inHead height: 23/32 inMaterial: Alloy SteelFinish: PlainEstimated mass: 584.654 g/pc ASME B18.2.6 Grade A490 Heavy Hex Structural Bolt 1-1/8 × 3 in – 8UN 8 TPI – Plain is a Heavy Hex Structural Bolt manufactured and supplied by TTBolt in accordance with ASME B18.2.6.This exact catalog variant has size 1-1/8 × 3 in, thread 8UN 8 TPI, material Alloy Steel, grade A490 and finish Plain. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.Technical data for this exact variantStandardASME B18.2.6Product typeHeavy Hex Structural BoltSize1-1/8 × 3 inThread8UN 8 TPIThread directionRight HandMaterialAlloy SteelGrade / property classA490FinishPlainHead height23/32 inWidth across flats1-13/16 inBasic thread length2 inPlain shank length1 inMass per piece584.654 g/pcMass per 100 pieces58.4654 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (1-1/8 × 3 in), thread (8UN 8 TPI), grade (A490) 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 StandardASMEB18.2.6 GradeA490 Issued2026-10-04 فارسی English پیچ سازه‌ای شش‌گوش سنگین ASME B18.2.6 گرید A490 سایز 1-1/8 × 3 اینچ، رزوه 8UN 8 TPI، ساده 1-1/8 x 3 in | A490 | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-1.125in گام رزوهn-8TPI عرض آچارخورs1.7561.813in عرض روی گوشه‌هاe2.0022.093in ارتفاع سرk0.6580.718in قطر بدنهds1.0981.149in طولl-3in مشخصات محصول رزوه1-1/8 8 TPI 8UN جهت رزوهراست‌گرد گریدA490 پوششPlain 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 ASMEB18.2.6 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-ASMEB18.2.6-A490-1125X300-8UN-8TPI-PL Heavy Hex Structural Bolt - ASMEB18.2.6 1-1/8 x 3 in | A490 | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-1.125in Threads per inchn-8TPI Width across flatss1.7561.813in Width across cornerse2.0022.093in Head heightk0.6580.718in Body diameterds1.0981.149in Lengthl-3in PRODUCT DATA Thread1-1/8 8 TPI 8UN Thread directionRight hand GradeA490 FinishPlain 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 ASMEB18.2.6 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-ASMEB18.2.6-A490-1125X300-8UN-8TPI-PL Products specifications Attribute name Attribute value Standard ASME B18.2.6 Product Type Heavy Hex Structural Bolt Thread Length 2 in Width Across Flats 1-13/16 in Head Height 23/32 in Material Alloy Steel Property Class / Grade A490 Finish Plain Unit System in Estimated Weight 584٫654 g/pc Thread Thread Type 8UN Thread Pitch 8 TPI Thread Direction Right Hand Dimensions Diameter 1-1/8 Length 3 in
