Stainless Steel Long Nuts |304 & 201 Material | Bulk Supplier of Long Nuts | Competitive Price

Stainless steel round elongated nuts are nuts installed on connecting bolts or threaded rods to enhance fastening force. Compared to standard nuts, elongated nuts have a greater length, providing a larger connection area and thereby improving the connection strength between bolts and nuts. They are primarily used to increase the length of threaded connections and are commonly employed in mechanical, construction, and other fields. Currently available in 201 and 304 stainless steel materials. Customization is acceptable for bulk orders.

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Stainless Steel Round Elongated Nut Selection Guide

201 Stainless Steel:
Advantages: Lower cost with certain corrosion resistance.
Disadvantages: Higher manganese content makes it prone to rust in humid, high-salinity (e.g., coastal areas), or chemically corrosive environments.
Applicable Scenarios: Cost-sensitive applications, dry indoor environments, and general structural connections with low corrosion resistance requirements.

304 Stainless Steel:
Advantages: Recognized as a universal stainless steel, it contains higher nickel and chromium content, offering excellent corrosion resistance, rust resistance, and better machinability and toughness.
Disadvantages: Higher cost compared to 201 stainless steel.

Applicable Scenarios: Outdoor construction, coastal facilities, food machinery, chemical equipment, medical devices, and other applications requiring high hygiene and corrosion resistance. For most industrial applications, 304 stainless steel is recommended.

Specifications & Dimensions

Thread Specification:
Metric: e.g., M6, M8, M10, M12, M16, M20, etc. This is the most commonly used standard domestically and must exactly match the diameter and pitch of the bolt.
Imperial: e.g., 1/4"-20, 3/8"-16, 1/2"-13, etc. Primarily used for imported equipment or specific fields.

Nut Length:
The length (L) of an elongated nut is its core feature, typically 2-4 times or even longer than that of a standard nut.

The length selection depends on the required increase in thread engagement length. Generally, longer engagement length enhances connection strength and anti-loosing. The specific length should be determined based on design requirements.