ASTM A449 Type 3 Hex Bolt 5/16 × 7 in – UNC 18 TPI – Plain Manufacturer: TTBOLT SKU: TTB-A449-3-0313X700-UNC-PL Add to compare list Email a friend Material standard: ASTM A449-14(2020) Geometry: ASME B18.2.1-2012 (R2021) Thread: ASME B1.1-2024 UNC Class 2A Product Type: Hex Bolt Diameter: 5/16 Length: 7 in Type: 3 Material: Weathering Steel Finish: Plain This Hex Bolt is manufactured and supplied by TTBolt in accordance with ASTM A449.This exact catalog variant has size 5/16 × 7 in, thread UNC 18 TPI, material Weathering Steel, grade 3 and finish Plain. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.Technical data for this exact variantStandardASTM A449Product typeHex BoltSize5/16 × 7 inThreadUNC 18 TPIThread directionRight HandMaterialWeathering SteelGrade / property class3FinishPlainHead height15/64 inWidth across flats1/2 inBasic thread length1-1/8 inPlain shank length5-7/8 inMass per piece72.54 g/pcMass per 100 pieces7.254 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (5/16 × 7 in), thread (UNC 18 TPI), grade (3) 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 StandardASTMA449 Grade3 Issued2026-10-05 فارسی English پیچ شش‌گوش ASTM A449 تیپ 3 سایز 5/16 × 7 اینچ UNC 18 TPI بدون پوشش 5/16 x 7 in | 3 | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.3125in گام رزوهn-18TPI عرض آچارخورs-0.5in ارتفاع سرk-0.235in طولl-7in مشخصات محصول رزوه5/16 18 TPI UNC جهت رزوهراست‌گرد گرید3 پوششPlain متریالWeathering 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 ASTMA449 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-A449-3-0313X700-UNC-PL Hex Bolt - ASTMA449 5/16 x 7 in | 3 | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.3125in Threads per inchn-18TPI Width across flatss-0.5in Head heightk-0.235in Lengthl-7in PRODUCT DATA Thread5/16 18 TPI UNC Thread directionRight hand Grade3 FinishPlain MaterialWeathering 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 ASTMA449 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-A449-3-0313X700-UNC-PL Products specifications Attribute name Attribute value Material Specification ASTM A449-14(2020) Geometry Reference ASME B18.2.1-2012 (R2021) Thread Reference ASME B1.1-2024 Standard ASTM A449 Product Type Hex Bolt Head Style Hex Head Thread Class 2A before coating where applicable Material Weathering Steel Type Type 3 Finish Plain Minimum Tensile Strength 120 ksi minimum Estimated Weight 72.54 g/pc Thread Thread Type UNC Thread Pitch 18 TPI Dimensions Diameter 5/16 Length 7 in
