S-93580A686 5/16"-18 x 7/8" Stainless Steel Press-Fit Studs

Stainless Steel Press-Fit Studs

1440FA00063 Stainless Steel Press-Fit Studs
1440FA00063 Stainless Steel Press-Fit Studs

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

Part No.
Part No. 1440FA00063
Equivalent to mcmaster :
93580A686

Basic Information

System of Measurement Inch
RoHS RoHS 3 (2015/863/EU) Compliant
PEM® Part Number FHS-0518-14

Dimension Parameters

Length 7/8"

Thread Parameters

Threading Fully Threaded
Thread Size 5/16"-18
Thread Direction Right Hand
Thread Type UNC
Thread Spacing Coarse
Thread Fit (External) Class 2A
Thread Length 23/32"

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Not Rated

Installation Parameters

Drill Bit Size N
Drill Bit Diameter 0.302"

Base & Accessories Parameters

Base Diameter 0.361"
For Hole Diameter 0.311"
Hole Size Tolerance 0.000" to 0.003"
For Min. Material Thickness 0.093"
For Min. Length Between Hole Center and Sheet Edge 3/8"
Technical Drawings No drawings available at the moment, will be launched soon
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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.
  • Simplified and secure installation using a standard 0.302" (N) drill bit, reducing assembly time and tooling costs.
  • Excellent thread engagement and pull-out strength due to the fully threaded Class 2A UNC coarse thread design.
  • Robust performance in thin sheet metal, designed for a minimum material thickness of 0.093".
  • Reliable positioning and alignment with a precise hole diameter tolerance of 0.000" to 0.003" for a tight press-fit.
  • Compliance with global environmental standards, meeting RoHS 3 (2015/863/EU) requirements.
  • Versatile right-hand threading ensures compatibility with standard assembly practices and common nuts.

Professional Applications & Engineering Value

This 5/16"-18 UNC stainless steel press-fit stud is engineered to solve critical challenges in sheet metal assembly. Its 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for electronics enclosures, industrial machinery, and outdoor equipment where durability is paramount. The fully threaded and coarse thread (UNC) design ensures maximum thread contact and high resistance to vibrational loosening. The precision press-fit installation creates a permanent, high-retention mount without the need for welding or adhesives, streamlining production lines and reducing total installed cost. It is an ideal precision mounting solution for applications requiring a strong, reusable thread in thin-gauge materials.

Specification Summary & Compliance

This stud conforms to UNC coarse thread standards with a Class 2A thread fit for consistent interchangeability. Key dimensional specifications include a 5/16"-18 thread size, a 7/8" length, and a drill bit diameter of 0.302" for a hole diameter of 0.311". The product is manufactured in accordance with PEM® specifications and is RoHS 3 (2015/863/EU) compliant, ensuring it meets stringent environmental directives for hazardous substances.

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