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Industrial · SKU: AA0220351
Grade 8 Carbon Steel M42 Hex Nut, 2.5 Inch, Black Oxide, Pkg Qty 20
This Grade 8 carbon steel hex nut is designed for high-strength structural and machinery applications. The M42 thread size, with a 2.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $99.99 |
| 11 - 50 | -5% | $94.99 |
| 51+ | -10% | $89.99 |
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Quick Answer
How Buyers Should Evaluate Grade 8 Carbon Steel M42 Hex Nut, 2.5 Inch, Black Oxide, Pkg Qty 20
This Grade 8 carbon steel hex nut is designed for high-strength structural and machinery applications. The M42 thread size, with a 2. 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 $99.99.
- Minimum order quantity: 1 unit.
- Pack quantity: 20 / 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 Measurement | Metric |
| Material Grade/Class | Grade 8 |
| Material | Carbon Steel |
| Thread Size | M42 |
| Finish | Black Oxide |
| Width Across Flats | 2.5 in |
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 heavy-duty structural and machinery applications requiring superior strength and reliability. Designed to metric M42 thread specifications, it features a substantial 2.5-inch width across flats for secure tool engagement. The black oxide finish provides a baseline of corrosion protection suitable for general industrial environments. Manufactured to exacting Grade 8 standards, this nut delivers consistent performance in high-load, high-vibration assemblies where fastener integrity is critical.
Key Features
Manufactured from high-strength Grade 8 carbon steel Metric M42 thread size for international compatibility 2.5-inch width across flats for secure wrenching Black oxide surface finish for corrosion resistance Meets stringent Grade 8 mechanical property standards Suitable for high-stress and high-vibration environments
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M42 Finish: Black Oxide Width Across Flats: 2.5 inches Package Quantity: 20 units
Applications
Heavy structural steel construction Industrial machinery assembly and maintenance Large-scale fabrication projects Infrastructure and bridge work Manufacturing equipment requiring high-strength fasteners Repair and retrofit of existing metric-threaded assemblies