S-92185A612 5/16"-24 x 7/8" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00289 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00289 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0018FA00289
Equivalent to mcmaster :
92185A612

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 15/32"
Head Height 5/16"
Socket Head Profile Standard

Dimensions

Length 7/8"

Thread Parameters

Thread Type UNF
Thread Size 5/16"-24
Thread Diameter 0.3125"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/4"

Material & Strength

Material 316 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 70000 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

  • Exceptional corrosion resistance from 316 stainless steel construction, ideal for harsh chemical and marine environments
  • Superior thread precision with Class 3A fit ensures reliable, vibration-resistant connections in critical assemblies
  • Enhanced durability with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
  • Optimized drive engagement through standard hex socket design prevents stripping and allows high torque application
  • Improved chemical resistance from passivated surface treatment that enhances the natural corrosion protection
  • Full thread coverage along the 7/8" length provides maximum grip and adjustment flexibility
  • Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety requirements are met

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel socket head cap screws deliver exceptional performance where corrosion resistance and mechanical reliability are paramount. The combination of UNF fine threads and Class 3A thread fit provides superior vibration resistance in precision machinery, automotive systems, and marine equipment. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these fasteners ideal for chemical processing, offshore applications, and food processing equipment where exposure to aggressive media is common. With full threading along the entire 7/8" length, these screws offer maximum engagement and adjustment capability in tight-tolerance assemblies, while the standardized hex drive ensures consistent torque application without cam-out issues.

Specification Summary & Compliance

This 5/16"-24 UNF socket head cap screw features precision Class 3A thread fit with right-hand orientation and fine thread spacing. Manufactured from 316 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength, the fastener includes a passivated finish for enhanced corrosion protection. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industrial applications worldwide.

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