ASME B18.31.2 Grade B7 Double-End Stud — Clamping Type 4 × 18 in – UNC 4 TPI – Hot Dip Galvanized Manufacturer: TTBOLT SKU: TTB-ASMEB18.31.2-B7-400X1800-UNC-4TPI-HDG Add to compare list Email a friend Material specification: ASTM A193/A193M Product Type: Double-End Stud — Clamping Type Diameter: 4 Length: 18 in Thread: UNC, 4 TPI Material: Alloy Steel Grade: B7 Finish: Hot Dip Galvanized Geometry reference: ASME B18.31.2 ASME B18.31.2 Grade B7 Double-End Stud — Clamping Type 4 × 18 in – UNC 4 TPI – Hot Dip Galvanized is a Double-End Stud — Clamping Type manufactured and supplied by TTBolt in accordance with ASME B18.31.2.This exact catalog variant has size 4 × 18 in, thread UNC 4 TPI, material Alloy Steel, grade B7 and finish Hot Dip Galvanized. It is intended for threaded connections where controlled engagement length, grade and finish are required.Technical data for this exact variantStandardASME B18.31.2Product typeDouble-End Stud — Clamping TypeSize4 × 18 inThreadUNC 4 TPIThread directionRight HandMaterialAlloy SteelGrade / property classB7FinishHot Dip GalvanizedBasic thread length9 inPlain shank length0 inMass per piece26782.875 g/pcMass per 100 pieces2678.2875 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (4 × 18 in), thread (UNC 4 TPI), grade (B7) 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 Technical data sheet TTBoltIndustrial Fasteners Engineering Data Sheet DocumentTechnical Data Sheet StandardASMEB18.31.2 GradeB7 Issued2026-10-04 فارسی English استادبولت دوسر رزوه — نوع کلمپینگ ASME B18.31.2 گرید B7 سایز 4 × 18 اینچ، رزوه UNC 4 TPI، گالوانیزه گرم 4 x 18 in | B7 | پوشش Hot Dip Galvanized جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-4in گام رزوهn-4TPI قطر بدنهds3.9734in طولl-18in مشخصات محصول رزوه4 4 TPI UNC جهت رزوهراست‌گرد گریدB7 پوششHot Dip Galvanized متریالAlloy 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 ASMEB18.31.2 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-ASMEB18.31.2-B7-400X1800-UNC-4TPI-HDG Double-End Stud — Clamping Type - ASMEB18.31.2 4 x 18 in | B7 | Hot Dip Galvanized Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-4in Threads per inchn-4TPI Body diameterds3.9734in Lengthl-18in PRODUCT DATA Thread4 4 TPI UNC Thread directionRight hand GradeB7 FinishHot Dip Galvanized MaterialAlloy 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 ASMEB18.31.2 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-ASMEB18.31.2-B7-400X1800-UNC-4TPI-HDG Products specifications Attribute name Attribute value Standard ASME B18.31.2 Material Specification ASTM A193/A193M-26 Common Requirements ASTM A962/A962M Geometry Reference ASME B18.31.2 Product Type Double-End Stud — Clamping Type Material Alloy Steel Property Class B7 Finish Hot Dip Galvanized Property Class / Grade B7 Unit System in Market Status Common Estimated Weight 26782.875 g/pc Thread Thread Type UNC Thread Pitch 4 TPI Thread Direction Right Hand Dimensions Diameter 4 Length 18 in
