จัดส่งยืดหยุ่น
Machrio
บัญชีCart is empty
304 Stainless Steel A2-70 Coupling Nut, M4 x 3.15 Inch, Plain Finish, Pkg Qty 100

Hover to zoom

Industrial · SKU: AF0267151

304 Stainless Steel A2-70 Coupling Nut, M4 x 3.15 Inch, Plain Finish, Pkg Qty 100

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a corrosion-resistant A2-70 grade material with a plain finish, suitable for demanding environments.

Contact for Availability
$99.99
$1.00/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$99.99
11 - 50-5%$94.99
51+-10%$89.99
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 304 Stainless Steel A2-70 Coupling Nut, M4 x 3.15 Inch, Plain Finish, Pkg Qty 100

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a corrosion-resistant A2-70 grade material with a plain finish, suitable for demanding environments. 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: A2-70
  • Material: Stainless Steel 304

Purchase Details

  • Online price starts at $99.99.
  • 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 MeasurementMetric
Material Grade/ClassA2-70
MaterialStainless Steel 304
Thread SizeM4
FinishPlain
Length3.15 in
Width Across Flats0.236 in
Product Details

Full Description

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

Overview

This coupling nut is a precision-engineered fastener designed for joining two externally threaded rods, studs, or other male-threaded components end-to-end. Manufactured from corrosion-resistant 304 stainless steel, it is built to provide a durable and reliable connection in demanding assembly, maintenance, and fabrication applications. Its extended length and standardized dimensions ensure compatibility and ease of installation with common tools.

Key Features

Constructed from 304 stainless steel for excellent corrosion resistance Material grade A2-70 provides high tensile strength and durability Plain, uncoated finish suitable for a wide range of environmental conditions Extended 3.15-inch length accommodates deep thread engagement Hexagonal design with standard width across flats for secure wrenching Right-hand threads on both ends for straightforward assembly

Specifications

System of Measurement: Metric

Material

Stainless Steel 304 Material Grade/Class: A2-70 Thread Size: M4 Finish: Plain Length: 3.15 inches Width Across Flats: 0.236 inches Package Quantity: 100 units

Applications

Extending threaded rods in construction and framing projects Repairing broken studs in machinery and equipment assembly Creating adjustable linkages in mechanical systems and prototypes General use in marine, food processing, and outdoor applications where corrosion resistance is critical Fixture and jig construction in manufacturing and workshop environments

Frequently Asked Questions

What are the key specifications and material properties of this coupling nut?
This is a metric M4 thread coupling nut made from corrosion-resistant 304 Stainless Steel, meeting the A2-70 strength class. It has a plain finish, is 3.15 inches long, and features a 0.236 inch width across flats for a standard 4mm hex wrench.
What are the typical applications for this type of coupling nut?
This nut is designed to join two externally threaded rods or bolts of the same size (M4) end-to-end, commonly used in framing, structural assemblies, and machinery where an extended threaded connection is needed. The 304 Stainless Steel construction makes it suitable for environments requiring good corrosion resistance.
How is this product packaged and what is the minimum order quantity?
This coupling nut is packaged in quantities of 100 pieces per bag. The specified price and part number correspond to this standard pack size of 100 units.
304 Stainless Steel A2-70 Coupling Nut, M4 x 3.15 Inch, Plain Finish, Pkg Qty 100 | Machrio