S-92800A374 5/16"-18 x 1 7/8" 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA01138 18-8 Stainless Steel Hex Head Screws
0244FA01138 18-8 Stainless Steel Hex Head Screws

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Part No.
Part No. 0244FA01138
Equivalent to mcmaster :
92800A374

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/2"
Head Height 13/64"

Dimensions

Length 1 7/8"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Diameter 0.3125"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
  • High tensile strength of 80,000 psi ensures dependable performance in heavy-duty and high-stress applications.
  • Class 2A coarse thread fit provides easier, faster assembly with reliable engagement and reduced cross-threading risk.
  • Fully threaded design offers maximum grip and uniform load distribution across the entire length.
  • External hex drive and hex head allow for high-torque installation using standard tools, speeding up assembly processes.
  • Rockwell B70 hardness enhances durability and resistance to wear, deformation, and stripping during repeated use.
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptability.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 5/16"-18 UNC hex head screws deliver exceptional performance in machinery, structural assemblies, and outdoor equipment. The 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, reducing maintenance costs in corrosive environments like marine, chemical, or food processing plants. With a coarse thread and Class 2A thread fit, these screws enable quick, secure fastening even in vibration-prone applications, minimizing downtime. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures that each screw withstands heavy loads and repetitive stress, making them a trusted choice for industrial hex screws where reliability is critical.

Specification Summary & Compliance

This hex head screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. Manufactured to precise inch system measurements, including a 1-7/8" length and 5/16"-18 thread size, it meets industry expectations for fully threaded fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global supply chains.

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