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Grade 8 Carbon Steel Hex Nut, M8-1.25 Thread, 0.63 in, Black Oxide, Pkg Qty 1000

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Industrial · SKU: PC8993

Grade 8 Carbon Steel Hex Nut, M8-1.25 Thread, 0.63 in, Black Oxide, Pkg Qty 1000

This Grade 8 carbon steel hex nut provides high tensile strength for demanding industrial fastening applications. It features a black oxide finish for corrosion resistance and a standard M8-1.

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$89.99
$0.09/each(1000 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$89.99
11 - 50-5%$85.49
51+-10%$80.99
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Quick Answer

How Buyers Should Evaluate Grade 8 Carbon Steel Hex Nut, M8-1.25 Thread, 0.63 in, Black Oxide, Pkg Qty 1000

This Grade 8 carbon steel hex nut provides high tensile strength for demanding industrial fastening applications. It features a black oxide finish for corrosion resistance and a standard M8-1. 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 $89.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 1000 / 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 Flats0.63 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 fastening in demanding industrial and construction environments. It conforms to the GB/T 6170 standard, ensuring dimensional consistency and reliable performance in critical assemblies. The black oxide finish provides a durable layer of protection against corrosion, extending the component's service life. Packaged in bulk quantities of 1000 units, this nut is an efficient inventory solution for high-volume production lines, maintenance depots, and MRO applications requiring a dependable, standardized fastener.

Key Features

Manufactured from high-grade carbon steel for superior tensile strength Grade 8 classification indicates a high-performance fastener for critical loads Black oxide surface treatment for enhanced corrosion resistance and a clean appearance Standard M8 thread size with a 1.25 mm pitch for compatibility with a wide range of bolts and studs Precise machining ensures consistent thread engagement and clamping force Bulk packaging of 1000 pieces supports operational efficiency and reduces per-unit cost

Specifications

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

Material

Carbon Steel Thread Size: M8-1.25 Finish: Black Oxide Width Across Flats: 0.63 in Package Quantity: 1000

Applications

General heavy-duty assembly in manufacturing and metal fabrication Structural fastening in construction and infrastructure projects Maintenance, repair, and operations (MRO) for industrial machinery and equipment Automotive and transportation component assembly Use in conjunction with Grade 8 or higher bolts for matched strength in high-stress connections

Frequently Asked Questions

What are the key specifications and dimensions for this Grade 8 hex nut?
This is a metric M8-1.25 thread hex nut made from Grade 8 carbon steel with a black oxide finish. The width across the flats is 0.63 inches, and it conforms to the GB/T6170 standard.
What are the typical applications for a Grade 8, black oxide hex nut?
Grade 8 carbon steel nuts are suitable for high-strength bolting in construction, machinery, and automotive assemblies where corrosion resistance is not the primary concern. The black oxide finish provides a basic layer of protection against rust and a clean, dark appearance.
How is this product packaged for order, and what is the minimum quantity?
This item is packaged in bulk boxes with a standard quantity of 1000 nuts per box. Orders are fulfilled as single boxes, so the minimum order quantity is 1000 pieces.
Grade 8 Carbon Steel Hex Nut, M8-1.25 Thread, 0.63 in, Black Oxide, Pkg Qty 1000 | Machrio