ASME B18.3 18-8 Stainless Socket Head Cap Screw 5/16 × 1-1/2 in – UNC 18 TPI – Plain Manufacturer: TTBOLT SKU: TTB-ASMEB18.3-188SS-0313X150-UNC-18TPI-PL Add to compare list Email a friend ASME B18.3 socket head cap screw, 5/16 × 1-1/2 in, 18-8 Stainless, Stainless Steel, Plain, UNC 18 TPI. Head Ø 15/32 in; head height 5/16 in; hex socket 1/4 in. ASME B18.3 18-8 Stainless Socket Head Cap Screw 5/16 × 1-1/2 in – UNC 18 TPI – Plain is a Socket Head Cap Screw manufactured and supplied by TTBolt in accordance with ASME B18.3.This exact catalog variant has size 5/16 × 1-1/2 in, thread UNC 18 TPI, material Stainless Steel, grade 18-8 Stainless and finish Plain. 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 ScrewSize5/16 × 1-1/2 inThreadUNC 18 TPIThread directionRight HandMaterialStainless SteelGrade / property class18-8 StainlessFinishPlainHead diameter15/32 inHead height5/16 inSocket size1/4 inMinimum socket depth5/32 inBasic thread length1-1/8 inPlain shank length3/8 inMass per piece18.285 g/pcMass per 100 pieces1.8285 kg/100 pcSelection and ordering notesBefore ordering, confirm the required size (5/16 × 1-1/2 in), thread (UNC 18 TPI), grade (18-8 Stainless) 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 StandardASMEB18.3 Grade18-8 Stainless Issued2026-10-04 فارسی English پیچ آلن سر استوانهای اینچی ASME B18.3 سایز 5/16 × 1-1/2 اینچ، استنلس استیل، گرید 18-8 Stainless، ساده 5/16 x 1.5 in | 18-8 Stainless | پوشش Plain جدول ابعادی پارامترنماد حداقلحداکثر / اسمی واحد قطر اسمیd-0.3125in گام رزوهn-18TPI ارتفاع سرk-0.312in طولl-1.5in مشخصات محصول رزوه5/16 18 TPI UNC جهت رزوهراستگرد گرید18-8 Stainless 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 ASMEB18.3 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-ASMEB18.3-188SS-0313X150-UNC-18TPI-PL Socket Head Cap Screw - ASMEB18.3 5/16 x 1.5 in | 18-8 Stainless | Plain Finish DIMENSION TABLE ParameterSymbol MinMax / Nominal Unit Nominal diameterd-0.3125in Threads per inchn-18TPI Head heightk-0.312in Lengthl-1.5in PRODUCT DATA Thread5/16 18 TPI UNC Thread directionRight hand Grade18-8 Stainless 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 ASMEB18.3 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-ASMEB18.3-188SS-0313X150-UNC-18TPI-PL Products specifications Attribute name Attribute value Standard ASME B18.3 Product Type Socket Head Cap Screw Head Diameter 15/32 in Head Height 5/16 in Socket Size 1/4 in Socket Depth Min 5/32 in Thread Length Basic 1-1/8 in Material Stainless Steel Property Class / Grade 18-8 Stainless Finish Plain Unit System in Estimated Weight 18.285 g/pc Market Status Common Thread Thread Type UNC Thread Pitch 18 TPI Thread Direction Right Hand Dimensions Diameter 5/16 Length 1-1/2 in