ASME B18.3 18-8 Stainless Socket Head Cap Screw 3/8 × 2-1/2 in – UNC 16 TPI – Plain

Manufacturer: TTBOLT
SKU: TTB-ASMEB18.3-188SS-0375X250-UNC-16TPI-PL
ASME B18.3 socket head cap screw, 3/8 × 2-1/2 in, 18-8 Stainless, Stainless Steel, Plain, UNC 16 TPI. Head Ø 9/16 in; head height 3/8 in; hex socket 5/16 in.

ASME B18.3 18-8 Stainless Socket Head Cap Screw 3/8 × 2-1/2 in – UNC 16 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 3/8 × 2-1/2 in, thread UNC 16 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 variant

StandardASME B18.3
Product typeSocket Head Cap Screw
Size3/8 × 2-1/2 in
ThreadUNC 16 TPI
Thread directionRight Hand
MaterialStainless Steel
Grade / property class18-8 Stainless
FinishPlain
Head diameter9/16 in
Head height3/8 in
Socket size5/16 in
Minimum socket depth3/16 in
Basic thread length1-1/4 in
Plain shank length1-1/4 in
Mass per piece41.999 g/pc
Mass per 100 pieces4.1999 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (3/8 × 2-1/2 in), thread (UNC 16 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

Technical data sheet
TTBolt

Industrial Fasteners Engineering Data Sheet

Document
Technical Data Sheet
Standard
ASMEB18.3
Grade
18-8 Stainless
Issued
2026-10-04

پیچ آلن سر استوانه‌ای اینچی ASME B18.3 سایز 3/8 × 2-1/2 اینچ، استنلس استیل، گرید 18-8 Stainless، ساده

3/8 x 2.5 in | 18-8 Stainless | پوشش Plain

جدول ابعادی

پارامترنماد حداقلحداکثر / اسمی واحد
قطر اسمیd-0.375in
گام رزوهn-16TPI
ارتفاع سرk-0.375in
طولl-2.5in

مشخصات محصول

رزوه3/8 16 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 قطعه
TTB-ASMEB18.3-188SS-0375X250-UNC-16TPI-PL

Socket Head Cap Screw - ASMEB18.3

3/8 x 2.5 in | 18-8 Stainless | Plain Finish

DIMENSION TABLE

ParameterSymbol MinMax / Nominal Unit
Nominal diameterd-0.375in
Threads per inchn-16TPI
Head heightk-0.375in
Lengthl-2.5in

PRODUCT DATA

Thread3/8 16 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 number
TTB-ASMEB18.3-188SS-0375X250-UNC-16TPI-PL

Products specifications

Attribute name Attribute value
Standard ASME B18.3
Product Type Socket Head Cap Screw
Head Diameter 9/16 in
Head Height 3/8 in
Socket Size 5/16 in
Socket Depth Min 3/16 in
Thread Length Basic 1-1/4 in
Material Stainless Steel
Property Class / Grade 18-8 Stainless
Finish Plain
Unit System in
Estimated Weight 41.999 g/pc
Market Status Common
Thread
Thread Type UNC
Thread Pitch 16 TPI
Thread Direction Right Hand
Dimensions
Diameter 3/8
Length 2-1/2 in