ASME B18.3 ASTM A574 Socket Head Cap Screw #8 × 3/8 in – UNC 32 TPI – Black Oxide Manufacturer: TTBOLT SKU: TTB-ASMEB18.3-A574-#8X038-UNC-32TPI-BO Add to compare list Email a friend ASME B18.3 socket head cap screw, #8 × 3/8 in, ASTM A574, Alloy Steel, Black Oxide, UNC 32 TPI. Head Ø 17/64 in; head height 5/32 in; hex socket 9/64 in. ASME B18.3 ASTM A574 Socket Head Cap Screw #8 × 3/8 in – UNC 32 TPI – Black Oxide is a Socket Head Cap Screw manufactured and supplied by TTBolt in accordance with ASME B18.3.This exact catalog variant has size #8 × 3/8 in, thread UNC 32 TPI, material Alloy Steel, grade ASTM A574 and finish Black Oxide. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.Technical data for this exact variantStandardASME B18.3Product typeSocket Head Cap ScrewSize#8 × 3/8 inThreadUNC 32 TPIThread directionRight HandMaterialAlloy SteelGrade / property classASTM A574FinishBlack OxideHead diameter17/64 inHead height5/32 inSocket size9/64 inMinimum socket depth5/64 inBasic thread length7/8 inPlain shank length0 inMass per piece1.789 g/pcMass per 100 pieces0.1789 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (#8 × 3/8 in), thread (UNC 32 TPI), grade (ASTM A574) and finish (Black Oxide). 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 StandardASMEB18.3 GradeASTM A574 Issued2026-10-04 فارسی English پیچ آلن سر استوانهای اینچی ASME B18.3 سایز #8 × 3/8 اینچ، فولاد آلیاژی، گرید ASTM A574، سیاهکاری #8 x 0.38 in | ASTM A574 | پوشش Black Oxide جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd--in گام رزوهn-32TPI ارتفاع سرk-0.164in طولl-0.375in مشخصات محصول رزوه#8 32 TPI UNC جهت رزوهراستگرد گریدASTM A574 پوششBlack Oxide 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 ASMEB18.3 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-ASMEB18.3-A574-#8X038-UNC-32TPI-BO Socket Head Cap Screw - ASMEB18.3 #8 x 0.38 in | ASTM A574 | Black Oxide Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd--in Threads per inchn-32TPI Head heightk-0.164in Lengthl-0.375in PRODUCT DATA Thread#8 32 TPI UNC Thread directionRight hand GradeASTM A574 FinishBlack Oxide 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 ASMEB18.3 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-ASMEB18.3-A574-#8X038-UNC-32TPI-BO Products specifications Attribute name Attribute value Standard ASME B18.3 Product Type Socket Head Cap Screw Head Diameter 17/64 in Head Height 5/32 in Socket Size 9/64 in Socket Depth Min 5/64 in Thread Length Basic 7/8 in Material Alloy Steel Property Class / Grade ASTM A574 Finish Black Oxide Unit System in Estimated Weight 1.789 g/pc Market Status Standard Thread Thread Type UNC Thread Pitch 32 TPI Thread Direction Right Hand Dimensions Diameter #8 Length 3/8 in