ASME B18.2.1 Grade A Hex Bolt 1/2 × 4-1/2 in – UNC 13 TPI – Hot Dip Galvanized Manufacturer: TTBOLT SKU: TTB-ASMEB18.2.1-A-050X450-UNC-13TPI-HDG Add to compare list Email a friend ASME B18.2.1 Grade A Hex BoltSize: 1/2 × 4-1/2 inThread: UNC 13 TPIThread length: 1-1/4 inWidth across flats: 3/4 inHead height: 23/64 inMaterial: Carbon SteelFinish: Hot Dip GalvanizedEstimated mass: 128.196 g/pc This Hex Bolt is manufactured and supplied by TTBolt in accordance with ASME B18.2.1.This exact catalog variant has size 1/2 × 4-1/2 in, thread UNC 13 TPI, material Carbon Steel, grade A and finish Hot Dip Galvanized. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.Technical data for this exact variantStandardASME B18.2.1Product typeHex BoltSize1/2 × 4-1/2 inThreadUNC 13 TPIThread directionRight HandMaterialCarbon SteelGrade / property classAFinishHot Dip GalvanizedHead height23/64 inWidth across flats3/4 inBasic thread length1-1/4 inPlain shank length3-1/4 inMass per piece128.196 g/pcMass per 100 pieces12.8196 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (1/2 × 4-1/2 in), thread (UNC 13 TPI), grade (A) and finish (Hot Dip Galvanized). 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 Download SolidWorks part Technical data sheet TTBoltIndustrial Fasteners Engineering Data Sheet DocumentTechnical Data Sheet StandardASMEB18.2.1 GradeA Issued2026-10-05 فارسی English نقشه ابعادی شماتیک پیچ ششگوش ASME B18.2.1 گرید A سایز 1/2 × 4-1/2 اینچ، رزوه UNC 13 TPI، گالوانیزه گرم 1/2 x 4.5 in | A | پوشش Hot Dip Galvanized نماهای واقعی محصول ایزومتریک نمای مکمل نمای جانبی جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.5in گام رزوهn-13TPI عرض آچارخورs-0.75in ارتفاع سرk-0.364in طولl-4.5in مشخصات محصول رزوه1/2 13 TPI UNC جهت رزوهراستگرد گریدA پوششHot Dip Galvanized متریالCarbon 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 ASMEB18.2.1 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-ASMEB18.2.1-A-050X450-UNC-13TPI-HDG PARAMETRIC DIMENSIONAL SCHEMATIC Hex Bolt - ASMEB18.2.1 1/2 x 4.5 in | A | Hot Dip Galvanized Finish ACTUAL PRODUCT VIEWS ISO Rear Side DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.5in Threads per inchn-13TPI Width across flatss-0.75in Head heightk-0.364in Lengthl-4.5in PRODUCT DATA Thread1/2 13 TPI UNC Thread directionRight hand GradeA FinishHot Dip Galvanized MaterialCarbon 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 ASMEB18.2.1 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-ASMEB18.2.1-A-050X450-UNC-13TPI-HDG Products specifications Attribute name Attribute value Standard ASME B18.2.1 Product Type Hex Bolt Thread Length 1-1/4 in Width Across Flats 3/4 in Head Height 23/64 in Material Carbon Steel Property Class / Grade A Finish Hot Dip Galvanized Unit System in Estimated Weight 128.196 g/pc Thread Thread Type UNC Thread Pitch 13 TPI Thread Direction Right Hand Dimensions Diameter 1/2 in Length 4-1/2 in