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Stainless Steel 304 Hex Flange Nut, 5/16"-18 Thread, Plain Finish, Pkg Qty 1000

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Industrial · SKU: CM0437

Stainless Steel 304 Hex Flange Nut, 5/16"-18 Thread, Plain Finish, Pkg Qty 1000

This stainless steel hex flange nut is manufactured from corrosion-resistant 304 material, meeting A2-70 grade standards for durability in demanding environments.

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$109.99
$0.11/each(1000 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$109.99
11 - 50-5%$104.49
51+-10%$98.99
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Quick Answer

How Buyers Should Evaluate Stainless Steel 304 Hex Flange Nut, 5/16"-18 Thread, Plain Finish, Pkg Qty 1000

This stainless steel hex flange nut is manufactured from corrosion-resistant 304 material, meeting A2-70 grade standards for durability in 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 $109.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 1000 / 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 SizeM8
FinishPlain
Width Across Flats0.63 in
Product Details

Full Description

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

Overview

This stainless steel hex flange nut is engineered for reliable, long-term fastening in demanding industrial and commercial environments. Manufactured from corrosion-resistant 304 stainless steel, it meets the A2-70 grade standard, ensuring high tensile strength and excellent resistance to atmospheric and chemical corrosion. The integrated, wide flange distributes clamping load over a larger surface area, reducing the risk of damage to the joined material and often eliminating the need for a separate washer. With a standard 5/16"-18 thread and a plain finish, this nut is supplied in a bulk package of 1000 units, making it a cost-effective and efficient choice for high-volume assembly operations, maintenance kits, and inventory stock.

Key Features

Constructed from durable and corrosion-resistant 304 stainless steel Meets A2-70 grade specifications for strength and performance Integrated flange spreads load and protects workpiece surfaces Eliminates the need for a separate washer in many applications Standard 5/16"-18 thread for broad compatibility Plain, non-reflective finish suitable for general-purpose use Bulk packaging of 1000 units supports high-volume project needs

Specifications

Material: Stainless Steel 304 Material Grade/Class: A2-70 Thread Size: 5/16"-18 (equivalent to M8 metric) Width Across Flats: 0.63 inches Finish: Plain System of Measurement: Imperial (5/16"-18) Package Quantity: 1000

Applications

General assembly and manufacturing in corrosive or wash-down environments Machinery maintenance and repair across various industries Construction of outdoor structures, railings, and fixtures Electrical panel and enclosure assembly Automotive and transportation equipment fabrication Food processing and packaging equipment where corrosion resistance is critical

Frequently Asked Questions

What are the key specifications for these hex flange nuts, and are they compatible with standard 5/16" bolts?
These are Stainless Steel 304 (Grade A2-70) nuts with a 5/16"-18 thread and a plain finish. They have a width across flats of 0.63 inches and feature an integrated flange, making them compatible with standard 5/16"-18 UNC bolts and suitable for corrosion-resistant applications.
What are the typical use cases or applications for this type of flange nut?
The integrated flange distributes clamping force, making these nuts ideal for assembly lines where a washer isn't practical, or for securing sheet metal, automotive components, and machinery in corrosive or washdown environments. Their Stainless Steel 304 construction provides excellent resistance to rust and many chemicals.
How are these nuts packaged for order, and what is the minimum quantity?
These nuts are packaged in bulk boxes containing 1000 pieces per box. This industrial pack size is designed for production or maintenance operations with high-volume usage, ensuring you have a consistent supply for your assembly needs.
Stainless Steel 304 Hex Flange Nut, 5/16"-18 Thread, Plain Finish, Pkg Qty 1000 | Machrio