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Industrial · SKU: AE4510257
Grade 8 Carbon Steel M30 Hex Nut, Black Oxide, 1.81 in Flats, Pkg Qty 12
This Grade 8 carbon steel hex nut is designed for high-strength, high-vibration applications. The black oxide finish provides corrosion resistance and a clean, professional appearance.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $79.99 |
| 11 - 50 | -5% | $75.99 |
| 51+ | -10% | $71.99 |
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Quick Answer
How Buyers Should Evaluate Grade 8 Carbon Steel M30 Hex Nut, Black Oxide, 1.81 in Flats, Pkg Qty 12
This Grade 8 carbon steel hex nut is designed for high-strength, high-vibration applications. The black oxide finish provides corrosion resistance and a clean, 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 $79.99.
- 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 Measurement | Metric |
| Material Grade/Class | Grade 8 |
| Material | Carbon Steel |
| Thread Size | M30 |
| Finish | Black Oxide |
| Width Across Flats | 1.81 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 critical, high-strength fastening applications where reliability is paramount. It is manufactured to exacting standards, providing exceptional tensile strength and durability to withstand significant loads and high-vibration environments. The black oxide finish enhances the nut's corrosion resistance while offering a uniform, non-reflective appearance suitable for professional assemblies. Supplied in a convenient pack of twelve, this component is an essential inventory item for maintenance, repair, and original equipment manufacturing operations.
Key Features
Manufactured from high-strength Grade 8 carbon steel for superior load-bearing capacity Black oxide finish provides a layer of corrosion protection and a clean, professional look Precision-cut M30 metric threads ensure a secure and consistent fit with corresponding bolts 1.81-inch width across flats allows for use with standard industrial wrenches and sockets Designed to maintain clamp force in high-vibration and dynamic load applications Packaged in quantities of twelve for project efficiency and inventory management
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M30 Finish: Black Oxide Width Across Flats: 1.81 inches Package Quantity: 12 units
Applications
Heavy machinery assembly and maintenance Structural steel fabrication and construction Industrial equipment manufacturing and repair Transportation and automotive frame components Infrastructure projects requiring high-strength bolted connections