ASME B18.2.2 Hex Nut 1/4 – UNC 20 TPI – ASTM A563 Grade A – Zinc Plated Manufacturer: TTBOLT SKU: TTB-ASMEB18.2.2-A-025-UNC-20TPI-ZN Add to compare list Email a friend ASME B18.2.2 Hex Nut — ASTM A563 Grade ANominal size: 1/4Thread: UNC 20 TPIThread direction: Right HandWidth across flats: 0.428–0.438 inWidth across corners: 0.488–0.505 inNut height: 0.212–0.226 inMaterial specification: ASTM A563/A563MMaterial: Carbon SteelFinish: Zinc PlatedEstimated mass: 3.539 g/pc ASME B18.2.2 Hex Nut 1/4 – UNC 20 TPI – ASTM A563 Grade A – Zinc Plated is a Hex Nut manufactured and supplied by TTBolt in accordance with ASME B18.2.2.This exact catalog variant has size 1/4, thread UNC 20 TPI, material Carbon Steel, grade A and finish Zinc Plated. It is intended for compatible threaded assemblies where the specified thread, grade and bearing geometry are required.Technical data for this exact variantStandardASME B18.2.2Product typeHex NutSize1/4ThreadUNC 20 TPIThread directionRight HandMaterialCarbon SteelGrade / property classAFinishZinc PlatedWidth across flats range0.428–0.438 inWidth across corners range0.488–0.505 inNut height range0.212–0.226 inMass per piece3.539 g/pcMass per 100 pieces0.3539 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (1/4), thread (UNC 20 TPI), grade (A) 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 StandardASMEB18.2.2 GradeA Issued2026-10-04 فارسی English مهره شش‌گوش ASME B18.2.2 سایز 1/4، رزوه UNC 20 TPI، ASTM A563 گرید A، آبکاری روی 1/4 in | A | پوشش Zinc Plated جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.25in گام رزوهn-20TPI عرض آچارخورs0.4280.438in عرض روی گوشه‌هاe0.4880.505in ارتفاع مهرهm0.2120.226in مشخصات محصول رزوه1/4 20 TPI UNC جهت رزوهراست‌گرد گریدA پوششZinc Plated 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 ASMEB18.2.2 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-ASMEB18.2.2-A-025-UNC-20TPI-ZN Hex Nut - ASMEB18.2.2 1/4 in | A | Zinc Plated Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.25in Threads per inchn-20TPI Width across flatss0.4280.438in Width across cornerse0.4880.505in Nut heightm0.2120.226in PRODUCT DATA Thread1/4 20 TPI UNC Thread directionRight hand GradeA FinishZinc Plated 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 ASMEB18.2.2 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-ASMEB18.2.2-A-025-UNC-20TPI-ZN Products specifications Attribute name Attribute value Standard ASME B18.2.2 Material Specification ASTM A563/A563M Product Type Hex Nut Width Across Flats Range 0٫428–0٫438 in Width Across Corners Range 0٫488–0٫505 in Nut Height Range 0٫212–0٫226 in Material Carbon Steel Property Class / Grade A Finish Zinc Plated Unit System in Estimated Weight 3٫539 g/pc Thread Thread Type UNC Thread Pitch 20 TPI Thread Direction Right Hand Dimensions Diameter 1/4
