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Industrial · SKU: AE1866555
Grade 8 Carbon Steel M42-3 Hex Nut, Black Oxide, 1.654 in, Pkg Qty 20
This Grade 8 carbon steel hex nut is designed for high-strength, fine-thread (M42-3) applications requiring reliable performance. The black oxide finish provides corrosion resistance and a professional appearance.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $109.99 |
| 11 - 50 | -5% | $104.49 |
| 51+ | -10% | $98.99 |
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Quick Answer
How Buyers Should Evaluate Grade 8 Carbon Steel M42-3 Hex Nut, Black Oxide, 1.654 in, Pkg Qty 20
This Grade 8 carbon steel hex nut is designed for high-strength, fine-thread (M42-3) applications requiring reliable performance. The black oxide finish provides corrosion resistance and a 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 $109.99.
- 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 | M42-3 |
| Finish | Black Oxide |
| Width Across Flats | 1.654 in |
Full Description
Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.
Overview
This high-strength hex nut is engineered for critical fastening applications where reliability and precise thread engagement are paramount. Designed to a metric fine-thread specification, it provides superior load distribution and vibration resistance compared to coarse-thread alternatives. The Grade 8 carbon steel construction and protective black oxide finish ensure long-term durability and performance in demanding industrial, construction, and heavy machinery environments.
Key Features
Manufactured from high-strength Grade 8 carbon steel for exceptional tensile strength and durability Fine-thread (M42-3) design offers increased thread contact area for better load distribution and improved resistance to loosening under vibration Black oxide finish provides a layer of corrosion resistance and a clean, professional appearance Precision-machined to ensure consistent thread geometry and reliable mating with corresponding bolts Wide bearing surface for secure clamping force and reduced risk of material deformation
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M42-3 Finish: Black Oxide Width Across Flats: 1.654 inches Package Quantity: 20 units
Applications
Heavy-duty structural steel connections in construction and infrastructure Critical assemblies in mining, agricultural, and material handling equipment High-stress fastening points in industrial machinery and manufacturing systems Repair and maintenance operations requiring metric fine-thread components Any application demanding the superior performance of a Grade 8, fine-thread nut for safety and reliability