S-93580A625 1/4"-20 x 1/2" Stainless Steel Press-Fit Studs

Stainless Steel Press-Fit Studs

1440FA00018 Stainless Steel Press-Fit Studs
1440FA00018 Stainless Steel Press-Fit Studs

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

Part No.
Part No. 1440FA00018
Equivalent to mcmaster :
93580A625

Basic Information

System of Measurement Inch
RoHS RoHS 3 (2015/863/EU) Compliant
PEM® Part Number FHS-0420-8

Dimension Parameters

Length 1/2"

Thread Parameters

Threading Fully Threaded
Thread Size 1/4"-20
Thread Direction Right Hand
Thread Type UNC
Thread Spacing Coarse
Thread Fit (External) Class 2A
Thread Length 23/64"

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Not Rated

Installation Parameters

Drill Bit Size 1/4"
Drill Bit Diameter 0.25"

Base & Accessories Parameters

Base Diameter 0.352"
For Hole Diameter 0.249"
Hole Size Tolerance 0.000" to 0.003"
For Min. Material Thickness 0.062"
For Min. Length Between Hole Center and Sheet Edge 5/16"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Secure press-fit installation with precise 0.000" to 0.003" hole size tolerance, ensuring reliable retention without additional fasteners
  • Corrosion-resistant 18-8 stainless steel construction provides excellent durability in harsh industrial environments
  • Full UNC coarse threading (1/4"-20) delivers superior engagement and vibration resistance in assembly applications
  • Class 2A thread fit guarantees consistent, high-quality mating with standard nuts and threaded components
  • Right-hand threading design enables straightforward installation and compatibility with conventional tools
  • Optimized for thin materials with minimum 0.062" material thickness requirement, ideal for sheet metal applications
  • RoHS 3 compliance ensures environmental responsibility and global regulatory acceptance

Professional Applications & Engineering Value

This 18-8 stainless steel press-fit stud solves critical challenges in precision mounting and assembly operations. The fully threaded UNC coarse design provides maximum thread engagement in thin-section materials, eliminating the need for welding or adhesives while maintaining structural integrity. Engineers specify this press-fit fastener for electronics enclosures, machinery panels, and automotive components where corrosion resistance and vibration durability are essential. The controlled interference fit (0.000"-0.003" hole tolerance) ensures permanent installation without damaging parent materials, while the Class 2A thread fit maintains dimensional accuracy for repeated disassembly and reassembly cycles in maintenance applications.

Specification Summary & Compliance

This inch-system fastener features precision 1/4"-20 UNC coarse threads with Class 2A external thread fit per ASME standards. Manufacturing adheres to PEM® specifications with base diameter of 0.352" and total length of 1/2". The product is fully RoHS 3 (2015/863/EU) compliant and suitable for installation in materials as thin as 0.062" with minimum 5/16" edge distance requirement.

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