ASTM A449 Type 1 Hex Bolt 7/16 × 3 in – UNC 14 TPI – Zinc Plated Manufacturer: TTBOLT SKU: TTB-A449-1-0438X300-UNC-ZN 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: 7/16 Length: 3 in Type: 1 Material: Carbon/Alloy Steel Finish: Zinc Plated This Hex Bolt is manufactured and supplied by TTBolt in accordance with ASTM A449.This exact catalog variant has size 7/16 × 3 in, thread UNC 14 TPI, material Carbon/Alloy Steel, grade 1 and finish Zinc Plated. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.Technical data for this exact variantStandardASTM A449Product typeHex BoltSize7/16 × 3 inThreadUNC 14 TPIThread directionRight HandMaterialCarbon/Alloy SteelGrade / property class1FinishZinc PlatedHead height5/16 inWidth across flats5/8 inBasic thread length1-1/8 inPlain shank length1-7/8 inMass per piece66.022 g/pcMass per 100 pieces6.6022 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (7/16 × 3 in), thread (UNC 14 TPI), grade (1) and finish (Zinc Plated). 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 Grade1 Issued2026-10-05 فارسی English پیچ شش‌گوش ASTM A449 تیپ 1 سایز 7/16 × 3 اینچ UNC 14 TPI آبکاری روی 7/16 x 3 in | 1 | پوشش Zinc Plated جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.4375in گام رزوهn-14TPI عرض آچارخورs-0.625in ارتفاع سرk-0.316in طولl-3in مشخصات محصول رزوه7/16 14 TPI UNC جهت رزوهراست‌گرد گرید1 پوششZinc Plated متریالCarbon/Alloy 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-A449-1-0438X300-UNC-ZN Hex Bolt - ASTMA449 7/16 x 3 in | 1 | Zinc Plated Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.4375in Threads per inchn-14TPI Width across flatss-0.625in Head heightk-0.316in Lengthl-3in PRODUCT DATA Thread7/16 14 TPI UNC Thread directionRight hand Grade1 FinishZinc Plated MaterialCarbon/Alloy 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-A449-1-0438X300-UNC-ZN 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 Carbon/Alloy Steel Type Type 1 Finish Zinc Plated Minimum Tensile Strength 120 ksi minimum Estimated Weight 66.022 g/pc Thread Thread Type UNC Thread Pitch 14 TPI Dimensions Diameter 7/16 Length 3 in
