ASTM A563/A563M Grade O Heavy Hex Nut 7/8 – UNC 9 TPI – Plain

Manufacturer: TTBOLT
SKU: TTB-A563-O-0875-UNC-PL
Standard: ASTM A563/A563M Product Type: Heavy Hex Nut Diameter: 7/8 Thread: UNC 9 TPI Width Across Flats: 1.394–1.438 in Nut Height: 0.833–0.885 in Material: Carbon Steel Grade: O Finish: Plain Estimated Weight: 135.32 g/pc

This Heavy Hex Nut is manufactured and supplied by TTBolt in accordance with ASTM A563/A563M.

This exact catalog variant has size 7/8, thread UNC 9 TPI, material Carbon Steel, grade O 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

StandardASTM A563/A563M
Product typeHeavy Hex Nut
Size7/8
ThreadUNC 9 TPI
Thread directionRight Hand
MaterialCarbon Steel
Grade / property classO
FinishPlain
Width across flats range1.394–1.438 in
Width across corners range1.589–1.66 in
Nut height range0.833–0.885 in
Mass per piece135.32 g/pc
Mass per 100 pieces13.532 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (7/8), thread (UNC 9 TPI), grade (O) 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
ASTMA563
Grade
O
Issued
2026-10-05

مهره شش‌گوش سنگین ASTMA563 گرید O سایز 7/8، رزوه UNC 9 TPI، ساده

7/8 in | O | پوشش Plain

جدول ابعادی

پارامترنماد حداقلحداکثر / اسمی واحد
قطر اسمیd-0.875in
گام رزوهn-9TPI
عرض آچارخورs1.3941.438in
عرض روی گوشه‌هاe1.5891.66in
ارتفاع مهرهm0.8330.885in

مشخصات محصول

رزوه7/8 9 TPI UNC
جهت رزوهراست‌گرد
گریدO
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 ASTMA563 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-A563-O-0875-UNC-PL

Heavy Hex Nut - ASTMA563

7/8 in | O | Plain Finish

DIMENSION TABLE

ParameterSymbol MinMax / Nominal Unit
Nominal diameterd-0.875in
Threads per inchn-9TPI
Width across flatss1.3941.438in
Width across cornerse1.5891.66in
Nut heightm0.8330.885in

PRODUCT DATA

Thread7/8 9 TPI UNC
Thread directionRight hand
GradeO
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 ASTMA563 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-A563-O-0875-UNC-PL

Products specifications

Attribute name Attribute value
Standard ASTM A563/A563M
Product Type Heavy Hex Nut
Width Across Flats 1-7/16 in
Property Class O
Width Across Flats Range 1.394–1.438 in
Width Across Corners Range 1.589–1.66 in
Nut Height 55/64 in
Nut Height Range 0.833–0.885 in
Geometry Reference ASME B18.2.2 Heavy Hex Nut
Material Carbon Steel
Property Class / Grade O
Finish Plain
Unit System in
Estimated Weight 135.32 g/pc
Market Status Standard
Thread
Thread Type UNC
Thread Pitch 9 TPI
Thread Direction Right Hand
Dimensions
Diameter 7/8