Pengiriman Fleksibel
Machrio
AkunCart is empty
Grade 8 Carbon Steel Hex Nut, 0.551 in Width, Black Oxide, Pkg Qty 100

Hover to zoom

Industrial · SKU: AE1854594

Grade 8 Carbon Steel Hex Nut, 0.551 in Width, Black Oxide, Pkg Qty 100

This Grade 8 carbon steel hex nut is designed for high-strength fastening applications requiring reliable performance. It features a black oxide finish for corrosion resistance and a metric M8 thread size.

Contact for Availability
$19.99
$0.20/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$19.99
11 - 50-5%$18.99
51+-10%$17.99
Request Quote

Free Shipping $200+

On qualifying orders

Fast DDP Delivery

Door-to-door service

24/7 Support

Expert assistance

Quick Answer

How Buyers Should Evaluate Grade 8 Carbon Steel Hex Nut, 0.551 in Width, Black Oxide, Pkg Qty 100

This Grade 8 carbon steel hex nut is designed for high-strength fastening applications requiring reliable performance. It features a black oxide finish for corrosion resistance and a metric M8 thread size. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • System of Measurement: Metric
  • Material Grade/Class: Grade 8
  • Material: Carbon Steel

Purchase Details

  • Online price starts at $19.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 100 / Each.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

System of MeasurementMetric
Material Grade/ClassGrade 8
MaterialCarbon Steel
Thread SizeM8
FinishBlack Oxide
Width Across Flats0.551 in
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

This Grade 8 carbon steel hex nut is engineered for high-strength, high-reliability fastening in demanding mechanical and structural applications. It is manufactured to exacting standards, providing a robust and durable solution for assemblies where failure is not an option. The black oxide finish offers a layer of protection against corrosion, extending the component's service life in various operating environments. Sold in a convenient package of 100 units, it ensures you have the necessary inventory for production or maintenance tasks.

Key Features

Manufactured from high-grade carbon steel for superior strength Grade 8 classification, indicating a minimum tensile strength of 150,000 PSI Black oxide finish provides a measure of corrosion resistance and a clean, professional appearance Precision-machined M8 metric threads ensure consistent, reliable engagement with mating bolts Hexagonal design allows for secure gripping with standard wrenches and sockets

Specifications

System of Measurement: Metric Material Grade/Class: Grade 8

Material

Carbon Steel Thread Size: M8 Finish: Black Oxide Width Across Flats: 0.551 inches Package Quantity: 100 pieces

Applications

Heavy-duty machinery and equipment assembly Structural steel frameworks and construction Automotive and transportation manufacturing Industrial conveyor systems and material handling equipment Repair and maintenance operations requiring high-strength threaded connections

Frequently Asked Questions

What are the exact dimensions and specifications of this hex nut?
This is a metric M8 thread nut with a width across flats of 0.551 inches and a height of approximately 0.512 inches. It is made from Grade 8 carbon steel with a black oxide finish for corrosion resistance.
What are the typical applications for a Grade 8 carbon steel nut?
Grade 8 nuts are suitable for high-strength bolting applications in construction, machinery, automotive, and structural assemblies. Their high tensile strength makes them ideal for critical joints subject to significant vibration or load.
How is this product packaged for order, and what is the minimum quantity?
This nut is sold in a bulk package containing 100 pieces. This pack size is designed for professional or frequent use, providing an economical cost per unit for ongoing projects or inventory.
Grade 8 Carbon Steel Hex Nut, 0.551 in Width, Black Oxide, Pkg Qty 100 | Machrio