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Class 10 Carbon Steel M39 x 3 Hex Nut, Black Oxide, 1.535 in, Pkg Qty 10

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Industrial · SKU: AE1868392

Class 10 Carbon Steel M39 x 3 Hex Nut, Black Oxide, 1.535 in, Pkg Qty 10

This Class 10 carbon steel hex nut is engineered for high-strength pipe flange connections.

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$99.99
$10.00/each(10 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$99.99
11 - 50-5%$94.99
51+-10%$89.99
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Quick Answer

How Buyers Should Evaluate Class 10 Carbon Steel M39 x 3 Hex Nut, Black Oxide, 1.535 in, Pkg Qty 10

This Class 10 carbon steel hex nut is engineered for high-strength pipe flange connections. 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: Class 10
  • Material: Carbon Steel

Purchase Details

  • Online price starts at $99.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 10 / 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/ClassClass 10
MaterialCarbon Steel
Thread SizeM39 x 3
FinishBlack Oxide
Width Across Flats1.535 in
Product Details

Full Description

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

Overview

This Class 10 carbon steel hex nut is engineered for high-strength, precision connections in pipe flange assemblies and other critical mechanical applications. Its M39 x 3 fine thread pitch is specifically designed to provide a superior, vibration-resistant seal compared to standard coarse threads, making it ideal for systems under dynamic loads or pressure cycling. The black oxide finish enhances surface corrosion resistance, contributing to the longevity of the assembly in various industrial environments. Packaged in a convenient quantity of ten, this nut offers a reliable solution for maintenance and assembly projects requiring consistent, high-performance fasteners.

Key Features

Engineered with a fine M39 x 3 thread pitch for enhanced sealing and vibration resistance Manufactured from high-strength carbon steel meeting Class 10 performance specifications Black oxide finish provides a durable layer of corrosion protection Precision-machined hex profile with a width across flats of 1.535 inches for standard tool compatibility Designed specifically for the secure bolting of pipe flanges and high-pressure fittings

Specifications

System of Measurement: Metric Material Grade/Class: Class 10

Material

Carbon Steel Thread Size: M39 x 3 Finish: Black Oxide Width Across Flats: 1.535 in Package Quantity: 10

Applications

High-pressure pipe flange connections in process piping systems Pump, valve, and compressor assemblies Heavy-duty mechanical construction and structural applications Maintenance and repair operations in industrial plants, refineries, and water treatment facilities Any assembly requiring a high-strength, fine-threaded nut for secure, leak-resistant joints

Frequently Asked Questions

What are the key specifications for this hex nut, and is it suitable for high-pressure applications?
This is a Class 10 carbon steel hex nut with a black oxide finish. It has a metric fine thread (M39 x 3) and a width across flats of 1.535 inches, making it a high-strength component designed for demanding, high-pressure flange connections.
What is the primary use case for this specific M39 x 3 nut?
This nut is specifically designed for use with pipe flanges, particularly where a fine thread (3 mm pitch) is required for precise tensioning and vibration resistance. Its Class 10 rating and black oxide finish make it suitable for industrial piping systems in oil & gas, chemical processing, or power generation.
How is this product packaged for order, and what is the minimum quantity?
This nut is sold in a convenient package quantity of 10 units. This bulk packaging is designed for maintenance and repair projects, ensuring you have the necessary components for assembling or servicing multiple flange connections at once.
Class 10 Carbon Steel M39 x 3 Hex Nut, Black Oxide, 1.535 in, Pkg Qty 10 | Machrio