ASME B18.2.2 Hex Nut 1-1/4 – 8UN 8 TPI – ASTM A563 Grade A – Plain

Manufacturer: TTBOLT
SKU: TTB-ASMEB18.2.2-A-125-8UN-8TPI-PL
ASME B18.2.2 Hex Nut — ASTM A563 Grade A
Nominal size: 1-1/4
Thread: 8UN 8 TPI
Thread direction: Right Hand
Width across flats: 1.812–1.875 in
Width across corners: 2.066–2.165 in
Nut height: 1.03–1.094 in
Material specification: ASTM A563/A563M
Material: Carbon Steel
Finish: Plain
Estimated mass: 255.324 g/pc

ASME B18.2.2 Hex Nut 1-1/4 – 8UN 8 TPI – ASTM A563 Grade A – Plain is a Hex Nut manufactured and supplied by TTBolt in accordance with ASME B18.2.2.

This exact catalog variant has size 1-1/4, thread 8UN 8 TPI, material Carbon Steel, grade A and finish Plain. It is intended for compatible threaded assemblies where the specified thread, grade and bearing geometry are required.

Technical data for this exact variant

StandardASME B18.2.2
Product typeHex Nut
Size1-1/4
Thread8UN 8 TPI
Thread directionRight Hand
MaterialCarbon Steel
Grade / property classA
FinishPlain
Width across flats range1.812–1.875 in
Width across corners range2.066–2.165 in
Nut height range1.03–1.094 in
Mass per piece255.324 g/pc
Mass per 100 pieces25.5324 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (1-1/4), thread (8UN 8 TPI), grade (A) 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
ASMEB18.2.2
Grade
A
Issued
2026-10-04

مهره شش‌گوش ASME B18.2.2 سایز 1-1/4، رزوه 8UN 8 TPI، ASTM A563 گرید A، ساده

1-1/4 in | A | پوشش Plain

جدول ابعادی

پارامترنماد حداقلحداکثر / اسمی واحد
قطر اسمیd-1.25in
گام رزوهn-8TPI
عرض آچارخورs1.8121.875in
عرض روی گوشه‌هاe2.0662.165in
ارتفاع مهرهm1.031.094in

مشخصات محصول

رزوه1-1/4 8 TPI 8UN
جهت رزوهراست‌گرد
گریدA
پوششPlain
متریالCarbon 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 ASMEB18.2.2 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 قطعه
TTB-ASMEB18.2.2-A-125-8UN-8TPI-PL

Hex Nut - ASMEB18.2.2

1-1/4 in | A | Plain Finish

DIMENSION TABLE

ParameterSymbol MinMax / Nominal Unit
Nominal diameterd-1.25in
Threads per inchn-8TPI
Width across flatss1.8121.875in
Width across cornerse2.0662.165in
Nut heightm1.031.094in

PRODUCT DATA

Thread1-1/4 8 TPI 8UN
Thread directionRight hand
GradeA
FinishPlain
MaterialCarbon 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 ASMEB18.2.2 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 number
TTB-ASMEB18.2.2-A-125-8UN-8TPI-PL

Products specifications

Attribute name Attribute value
Standard ASME B18.2.2
Material Specification ASTM A563/A563M
Product Type Hex Nut
Width Across Flats Range 1٫812–1٫875 in
Width Across Corners Range 2٫066–2٫165 in
Nut Height Range 1٫03–1٫094 in
Material Carbon Steel
Property Class / Grade A
Finish Plain
Unit System in
Estimated Weight 255٫324 g/pc
Thread
Thread Type 8UN
Thread Pitch 8 TPI
Thread Direction Right Hand
Dimensions
Diameter 1-1/4