ASME B18.31.2 Grade B8 Class 2 Double-End Stud — Clamping Type 2-3/4 × 20 in – UNC 4 TPI – Plain Manufacturer: TTBOLT SKU: TTB-ASMEB18.31.2-B8C2-275X2000-UNC-4TPI-PL Add to compare list Email a friend Material specification: ASTM A193/A193M Product Type: Double-End Stud — Clamping Type Diameter: 2-3/4 Length: 20 in Thread: UNC, 4 TPI Material: Stainless Steel Grade: B8 Class 2 Finish: Plain Geometry reference: ASME B18.31.2 ASME B18.31.2 Grade B8 Class 2 Double-End Stud — Clamping Type 2-3/4 × 20 in – UNC 4 TPI – Plain 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 2-3/4 × 20 in, thread UNC 4 TPI, material Stainless Steel, grade B8 Class 2 and finish Plain. 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 TypeSize2-3/4 × 20 inThreadUNC 4 TPIThread directionRight HandMaterialStainless SteelGrade / property classB8 Class 2FinishPlainBasic thread length6-1/2 inPlain shank length7 inMass per piece14286.911 g/pcMass per 100 pieces1428.6911 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (2-3/4 × 20 in), thread (UNC 4 TPI), grade (B8 Class 2) and finish (Plain). 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 GradeB8 Class 2 Issued2026-10-04 فارسی English استادبولت دوسر رزوه — نوع کلمپینگ ASME B18.31.2 گرید B8 Class 2 سایز 2-3/4 × 20 اینچ، رزوه UNC 4 TPI، ساده 2-3/4 x 20 in | B8 Class 2 | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-2.75in گام رزوهn-4TPI قطر بدنهds2.7232.75in طولl-20in مشخصات محصول رزوه2-3/4 4 TPI UNC جهت رزوهراست‌گرد گریدB8 Class 2 پوششPlain متریالStainless 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-B8C2-275X2000-UNC-4TPI-PL Double-End Stud — Clamping Type - ASMEB18.31.2 2-3/4 x 20 in | B8 Class 2 | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-2.75in Threads per inchn-4TPI Body diameterds2.7232.75in Lengthl-20in PRODUCT DATA Thread2-3/4 4 TPI UNC Thread directionRight hand GradeB8 Class 2 FinishPlain MaterialStainless 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-B8C2-275X2000-UNC-4TPI-PL 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 Stainless Steel Property Class B8 Class 2 Finish Plain Property Class / Grade B8 Class 2 Unit System in Market Status Common Estimated Weight 14286.911 g/pc Thread Thread Type UNC Thread Pitch 4 TPI Thread Direction Right Hand Dimensions Diameter 2-3/4 Length 20 in
