S-93615A458 5/16"-18 x 1 1/4" 18-8 Stainless Steel Low-Profile Socket Head Screws

18-8 Stainless Steel Low-Profile Socket Head Screws

0028FA00133 18-8 Stainless Steel Low-Profile Socket Head Screws
0028FA00133 18-8 Stainless Steel Low-Profile Socket Head Screws

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

Part No.
Part No. 0028FA00133
Equivalent to mcmaster :
93615A458

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.438"
Head Height 0.158"
Socket Head Profile Low

Dimensions

Length 1 1/4"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Diameter 0.3125"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/32"

Material & Strength

Material 18-8 Stainless Steel
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

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
  • High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
  • Precise Class 3A thread fit provides secure fastening with minimal risk of stripping or loosening.
  • Low profile socket head design allows for installation in tight spaces without compromising drive engagement.
  • Coarse UNC threading enables quick assembly and disassembly, reducing labor time.
  • Full compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence.
  • Rockwell B70 hardness offers excellent wear resistance and long-term durability.

Professional Applications & Engineering Value

This low profile socket head cap screw is engineered to address critical challenges in machinery assembly, automotive, and aerospace applications where space constraints and corrosion are concerns. The 18-8 stainless steel material provides exceptional resistance to rust and chemical exposure, while the Class 3A thread fit and UNC coarse threading ensure consistent, vibration-resistant connections. The hex drive design allows for high torque application without slippage, making it ideal for high-stress environments. Its fully threaded body and right-hand thread direction facilitate efficient installation in automated or manual processes, reducing downtime and maintenance costs.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 3A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured with a coarse thread spacing and fully threaded design, it is suitable for industrial applications requiring reliable, high-strength fastening solutions.

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