จัดส่งยืดหยุ่น
Machrio
บัญชีCart is empty
Grade 12 Alloy Steel Hex Nut, 1.89 in, Black Oxide Finish, Pkg Qty 12

Hover to zoom

Industrial · SKU: AE1855458

Grade 12 Alloy Steel Hex Nut, 1.89 in, Black Oxide Finish, Pkg Qty 12

This Grade 12 alloy steel hex nut is designed for high-strength structural and industrial fastening applications. It features a black oxide finish for corrosion resistance and is manufactured to a 1.

Contact for Availability
$89.99
$7.50/each(12 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$89.99
11 - 50-5%$85.49
51+-10%$80.99
Request Quote

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 12 Alloy Steel Hex Nut, 1.89 in, Black Oxide Finish, Pkg Qty 12

This Grade 12 alloy steel hex nut is designed for high-strength structural and industrial fastening applications. It features a black oxide finish for corrosion resistance and is manufactured to a 1. 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 12
  • Material: Alloy Steel

Purchase Details

  • Online price starts at $89.99.
  • 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 MeasurementMetric
Material Grade/ClassGrade 12
MaterialAlloy Steel
Thread SizeM48
FinishBlack Oxide
Width Across Flats1.89 in
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

This Grade 12 alloy steel hex nut is engineered for the most demanding structural and industrial fastening applications. It is designed to create high-strength, permanent connections capable of withstanding extreme clamp loads, severe vibration, and high stress. The black oxide finish provides a layer of protection against corrosion, ensuring reliable performance in challenging environments. Supplied in a convenient package of twelve, this nut is ideal for procurement efficiency in maintenance, construction, and heavy equipment manufacturing.

Key Features

Manufactured from high-strength Grade 12 alloy steel for superior load-bearing capacity. Black oxide finish offers enhanced corrosion resistance and a clean, professional appearance. Coarse thread design provides excellent engagement and resistance to vibration loosening. Precision-machined to ensure consistent thread fit and reliable torque performance. 1.89-inch width across flats allows for secure application of standard wrenches and sockets.

Specifications

System of Measurement: Metric Material Grade/Class: Grade 12

Material

Alloy Steel Thread Size: M48 Finish: Black Oxide Width Across Flats: 1.89 inches Package Quantity: 12

Applications

Heavy structural steel construction and framing. Assembly of large industrial machinery and processing equipment. Fastening components in mining, forestry, and agricultural machinery. Infrastructure projects including bridges and utility towers. Repair and maintenance of high-stress bolted connections.

Frequently Asked Questions

What are the key specifications for this hex nut, and is it compatible with my existing metric hardware?
This is a Grade 12 alloy steel hex nut with a black oxide finish. It has an M48 coarse thread and measures 1.89 inches across the flats, making it fully compatible with standard metric M48 bolts and studs.
What are the typical applications for a Grade 12 alloy steel nut of this size?
This high-strength nut is designed for heavy-duty structural, industrial, and machinery applications where extreme clamping force and reliability are required. It is suitable for use in construction, large equipment manufacturing, and infrastructure projects involving high-stress connections.
How is this nut packaged for order, and what is the minimum quantity?
This nut is sold in a convenient package quantity of 12. Each package contains 12 individual Grade 12 alloy steel hex nuts with a black oxide finish, ready for immediate use in your project.
Grade 12 Alloy Steel Hex Nut, 1.89 in, Black Oxide Finish, Pkg Qty 12 | Machrio