Van chuyen linh hoat
Machrio
Tai khoanCart is empty
Grade 8 Carbon Steel Black Oxide Hex Nut, 5mm-0.80 Thread, 0.315" Flats, Pkg Qty 100

Hover to zoom

Industrial · SKU: AQ0191

Grade 8 Carbon Steel Black Oxide Hex Nut, 5mm-0.80 Thread, 0.315" Flats, Pkg Qty 100

This Grade 8 carbon steel hex nut provides high-strength fastening for demanding industrial applications. The black oxide finish offers corrosion resistance and a clean, professional appearance.

Contact for Availability
$9.99
$0.10/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$9.99
11 - 50-5%$9.49
51+-10%$8.99
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 Black Oxide Hex Nut, 5mm-0.80 Thread, 0.315" Flats, Pkg Qty 100

This Grade 8 carbon steel hex nut provides high-strength fastening for demanding industrial applications. The black oxide finish offers corrosion resistance and a clean, professional appearance. 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 $9.99.
  • 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 SizeM5
FinishBlack Oxide
Width Across Flats0.315 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, reliable fastening in demanding mechanical and structural assemblies. Manufactured to ISO 4032 dimensional standards, it ensures consistent quality and interchangeability in global supply chains. The black oxide finish provides a layer of corrosion resistance and a uniform, non-reflective appearance suitable for professional installations. Packaged in quantities of 100, this nut supports efficient project workflows and streamlined inventory management for maintenance, repair, and operations (MRO) as well as production environments.

Key Features

Manufactured from high-strength Grade 8 carbon steel for superior load-bearing capability Black oxide finish for enhanced corrosion resistance and a clean, professional look Precise threading conforms to M5-0.80 specifications for secure mating with compatible bolts Width across flats of 0.315 inches for compatibility with standard wrenches and tools ISO 4032 compliant, ensuring dimensional consistency and reliable performance Bulk package of 100 units facilitates cost-effective stocking and reduces downtime

Specifications

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

Material

Carbon Steel Thread Size: M5-0.80 Finish: Black Oxide Width Across Flats: 0.315 inches Package Quantity: 100 pieces

Applications

General machinery assembly and maintenance Fabrication of structural frames and supports Automotive and transportation equipment repair Industrial conveyor systems and material handling equipment Installation of electrical enclosures and control panels

Frequently Asked Questions

What are the key specifications and strength rating of these hex nuts?
These are Grade 8 carbon steel hex nuts with a black oxide finish. They have an M5 (5mm) thread with a 0.80 pitch and a width across flats of 0.315 inches, designed for high-strength applications.
What are the typical applications for these Grade 8 black oxide nuts?
Grade 8 nuts are suitable for demanding industrial, automotive, and machinery assemblies where high tensile strength and corrosion resistance are required. The black oxide finish provides a basic layer of protection against rust in non-severe environments.
How are these nuts packaged and what is the minimum order quantity?
The nuts are packaged in quantities of 100 per bag. This bulk pack size is designed for production or maintenance use, helping to reduce the frequency of reordering for common fastener needs.
Grade 8 Carbon Steel Black Oxide Hex Nut, 5mm-0.80 Thread, 0.315" Flats, Pkg Qty 100 | Machrio