ASTM A449 Type 1 Hex Bolt 3/8 × 12 in – UNC 16 TPI – Zinc Plated Manufacturer: TTBOLT SKU: TTB-A449-1-0375X1200-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: 3/8 Length: 12 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 3/8 × 12 in, thread UNC 16 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 BoltSize3/8 × 12 inThreadUNC 16 TPIThread directionRight HandMaterialCarbon/Alloy SteelGrade / property class1FinishZinc PlatedHead height17/64 inWidth across flats9/16 inBasic thread length1-1/4 inPlain shank length10-3/4 inMass per piece175.342 g/pcMass per 100 pieces17.5342 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (3/8 × 12 in), thread (UNC 16 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 3/8 × 12 اینچ UNC 16 TPI آبکاری روی 3/8 x 12 in | 1 | پوشش Zinc Plated جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.375in گام رزوهn-16TPI عرض آچارخورs-0.562in ارتفاع سرk-0.268in طولl-12in مشخصات محصول رزوه3/8 16 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-A449-1-0375X1200-UNC-ZN Hex Bolt - ASTMA449 3/8 x 12 in | 1 | Zinc Plated Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.375in Threads per inchn-16TPI Width across flatss-0.562in Head heightk-0.268in Lengthl-12in PRODUCT DATA Thread3/8 16 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-A449-1-0375X1200-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 175.342 g/pc Thread Thread Type UNC Thread Pitch 16 TPI Dimensions Diameter 3/8 Length 12 in