Hover to zoom
Industrial · SKU: AA0220370
Grade 8 Carbon Steel M18 Hex Nut, Black Oxide, 1.417 in Flats, Pkg Qty 100
This heavy hex nut is manufactured from Grade 8 carbon steel, providing high tensile strength for demanding structural and machinery applications.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $59.99 |
| 11 - 50 | -5% | $56.99 |
| 51+ | -10% | $53.99 |
Free Shipping $200+
On qualifying orders
Fast DDP Delivery
Door-to-door service
24/7 Support
Expert assistance
Quick Answer
How Buyers Should Evaluate Grade 8 Carbon Steel M18 Hex Nut, Black Oxide, 1.417 in Flats, Pkg Qty 100
This heavy hex nut is manufactured from Grade 8 carbon steel, providing high tensile strength for demanding structural and machinery applications. 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 $59.99.
- Minimum order quantity: 1 unit.
- Pack quantity: 100 / 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 | M18 |
| Finish | Black Oxide |
| Width Across Flats | 1.417 in |
Full Description
Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.
Overview
This heavy hex nut is engineered for critical structural and machinery applications where superior tensile strength and reliable performance are non-negotiable. Manufactured from high-grade carbon steel and finished with a protective black oxide coating, this component is built to withstand significant loads and provide long-term service in demanding industrial environments. Its thicker profile, compared to a standard hex nut, offers an increased bearing surface to improve load distribution and enhance the stability of the fastened joint.
Key Features
Constructed from high-strength Grade 8 carbon steel Black oxide finish provides a baseline of corrosion resistance and a uniform appearance Heavy pattern design for greater load-bearing surface and improved wrenching Precision-cut M18 metric threads ensure a secure fit on corresponding bolts Consistent quality and dimensions for reliable assembly and torque performance
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M18 Finish: Black Oxide Width Across Flats: 1.417 inches Package Quantity: 100 units
Applications
Heavy equipment manufacturing and assembly Structural steel construction and framing Industrial machinery repair and maintenance Infrastructure projects requiring high-strength bolted connections Any application demanding the durability and load capacity of a Grade 8 fastener