
Hover to zoom
Industrial · SKU: AA0220394
Grade 8 Carbon Steel Hex Nut, M42 x 3, 1.65 in, Black Oxide, Pkg Qty 12
This Grade 8 carbon steel hex nut is designed for high-strength, precision applications. The black oxide finish provides corrosion resistance and a clean appearance.
Volume Pricing - Buy More, Save More
| Quantity | Discount | Unit Price |
|---|---|---|
| 1 - 10 | - | $79.99 |
| 11 - 50 | -5% | $75.99 |
| 51+ | -10% | $71.99 |
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 Hex Nut, M42 x 3, 1.65 in, Black Oxide, Pkg Qty 12
This Grade 8 carbon steel hex nut is designed for high-strength, precision applications. The black oxide finish provides corrosion resistance and a clean 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 | M42 x 3 |
| Finish | Black Oxide |
| Width Across Flats | 1.65 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 demanding, high-strength fastening applications where reliability is critical. Manufactured to the stringent GB6171 standard, it provides a precision fine-threaded connection for heavy machinery, structural assemblies, and industrial equipment. The black oxide finish enhances corrosion resistance and offers a uniform, non-reflective appearance suitable for both functional and finished applications. Supplied in a convenient package quantity of 12, this nut ensures you have the necessary components for efficient project completion and inventory management.
Key Features
Constructed from high-strength Grade 8 carbon steel for superior load-bearing capacity Fine thread pitch (M42 x 3) for improved adjustment precision and vibration resistance Black oxide finish provides a layer of corrosion protection and a professional look Manufactured to GB6171 dimensional standards for consistency and compatibility Package quantity of 12 supports batch assembly and reduces downtime
Specifications
System of Measurement: Metric Material Grade/Class: Grade 8
Material
Carbon Steel Thread Size: M42 x 3 Finish: Black Oxide Width Across Flats: 1.65 inches Package Quantity: 12
Applications
Heavy-duty structural steel connections Assembly of large industrial machinery and presses Maintenance and repair in manufacturing and fabrication facilities Infrastructure projects requiring high-strength, fine-threaded fasteners General use in construction, transportation, and energy sectors where a robust nut is required