ASTM A307-21 Grade A Hex Bolt 1/2 × 8 in – UNC – Zinc Plated

Manufacturer: TTBOLT
SKU: TTB-A307HEX-A-050-800-UNC-ZN
Material specification: ASTM A307-21 Product Type: Hex Bolt Diameter: 1/2 Length: 8 in Thread: UNC, 13 TPI Material: Carbon Steel Grade: A Finish: Zinc Plated

ASTM A307-21 Grade A Hex Bolt 1/2 × 8 in – UNC – Zinc Plated is a Hex Bolt manufactured and supplied by TTBolt in accordance with ASTM A307-21.

This exact catalog variant has size 1/2 × 8 in, thread UNC 13 TPI, material Carbon Steel, grade A and finish Zinc Plated. It is intended for mechanically fastened joints that require the stated dimensions, thread, grade and finish.

Technical data for this exact variant

StandardASTM A307-21
Product typeHex Bolt
Size1/2 × 8 in
ThreadUNC 13 TPI
Thread directionRight Hand
MaterialCarbon Steel
Grade / property classA
FinishZinc Plated
Head height23/64 in
Width across flats3/4 in
Basic thread length8 in
Plain shank length0 in
Mass per piece184.228 g/pc
Mass per 100 pieces18.4228 kg/100 pc

Selection and ordering notes

Before ordering, confirm the required size (1/2 × 8 in), thread (UNC 13 TPI), grade (A) and finish (Zinc Plated). 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
ASTMA307HEX
Grade
A
Issued
2026-10-04

پیچ شش گوش ASTMA307HEX گرید A سایز 1/2 × 8 اینچ UNC آبکاری روی

1/2 x 8 in | A | پوشش Zinc Plated

جدول ابعادی

پارامترنماد حداقلحداکثر / اسمی واحد
قطر اسمیd-0.5in
گام رزوهn-13TPI
عرض آچارخورs-0.75in
ارتفاع سرk-0.364in
طولl-8in

مشخصات محصول

رزوه1/2 13 TPI UNC
جهت رزوهراست‌گرد
گریدA
پوششZinc Plated
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 ASTMA307HEX 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-A307HEX-A-050-800-UNC-ZN

Hex Bolt - ASTMA307HEX

1/2 x 8 in | A | Zinc Plated Finish

DIMENSION TABLE

ParameterSymbol MinMax / Nominal Unit
Nominal diameterd-0.5in
Threads per inchn-13TPI
Width across flatss-0.75in
Head heightk-0.364in
Lengthl-8in

PRODUCT DATA

Thread1/2 13 TPI UNC
Thread directionRight hand
GradeA
FinishZinc Plated
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 ASTMA307HEX 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-A307HEX-A-050-800-UNC-ZN

Products specifications

Attribute name Attribute value
Standard ASTM A307-21
Geometry Reference ASME B18.31.3-2014 (R2025)
Thread Reference ASME B1.1-2024
Product Type Threaded Rod — Controlled Cut Length
Material Carbon Steel
Property Class A
Finish Zinc Plated
Market Status Available
Estimated Weight 184.228 g/pc
Thread
Thread Type UNC
Thread Pitch 13 TPI
Dimensions
Diameter 1/2
Length 8 in