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Grade 8 Carbon Steel Hex Nut, M68, 2.68 in, Black Oxide, Pkg Qty 12

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Industrial · SKU: AE1855273

Grade 8 Carbon Steel Hex Nut, M68, 2.68 in, Black Oxide, Pkg Qty 12

This Grade 8 carbon steel hex nut is designed for high-strength structural and machinery applications. It features a black oxide finish for corrosion resistance and a metric M68 coarse thread.

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$169.99
$14.17/each(12 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$169.99
11 - 50-5%$161.49
51+-10%$152.99
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Quick Answer

How Buyers Should Evaluate Grade 8 Carbon Steel Hex Nut, M68, 2.68 in, Black Oxide, Pkg Qty 12

This Grade 8 carbon steel hex nut is designed for high-strength structural and machinery applications. It features a black oxide finish for corrosion resistance and a metric M68 coarse thread. 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 $169.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 12 / 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 SizeM68
FinishBlack Oxide
Width Across Flats2.68 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 the most demanding high-strength structural and machinery applications. It is manufactured to rigorous Grade 8 standards, ensuring exceptional load-bearing capability and reliability in critical assemblies. The metric M68 coarse thread provides robust engagement with compatible bolts, while the black oxide finish offers a durable layer of protection against corrosion. Sold in a convenient package quantity of 12, this nut is a fundamental component for heavy-duty construction, industrial equipment, and infrastructure projects.

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 corrosion resistance and a clean, professional appearance Metric M68 coarse thread for secure fastening in heavy-section materials Large 2.68-inch width across flats allows for high torque application with standard wrenches Designed for use with corresponding high-strength bolts in critical connections

Specifications

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

Material

Carbon Steel Thread Size: M68 Thread Type: Coarse Finish: Black Oxide Width Across Flats: 2.68 inches Minimum Tensile Strength: 150,000 PSI Package Quantity: 12

Applications

Heavy structural steel construction and framing Assembly of large industrial machinery and presses Infrastructure projects including bridges and heavy civil engineering Mining, forestry, and agricultural equipment manufacturing Repair and maintenance of high-stress mechanical systems

Frequently Asked Questions

What are the key specifications and dimensions of this hex nut?
This is a Grade 8 carbon steel hex nut with a black oxide finish. It has a metric M68 coarse thread and measures 2.68 inches across the flats.
What are the typical applications for a Grade 8, M68 hex nut?
This high-strength nut is designed for heavy-duty structural, industrial, and machinery applications requiring reliable, high-clamp force fastening. Its large size and Grade 8 rating make it suitable for critical connections in construction, mining, or large-scale manufacturing equipment.
How is this product packaged and sold?
This hex nut is sold in a package quantity of 12. The black oxide finish provides corrosion resistance for storage and handling prior to installation.
Grade 8 Carbon Steel Hex Nut, M68, 2.68 in, Black Oxide, Pkg Qty 12 | Machrio