S-93580A635 1/4"-20 x 1" Stainless Steel Press-Fit Studs

Stainless Steel Press-Fit Studs

1440FA00020 Stainless Steel Press-Fit Studs
1440FA00020 Stainless Steel Press-Fit Studs

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

Part No.
Part No. 1440FA00020
Equivalent to mcmaster :
93580A635

Basic Information

System of Measurement Inch
RoHS RoHS 3 (2015/863/EU) Compliant
PEM® Part Number FHS-0420-16

Dimension Parameters

Length 1"

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 55/64"

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

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Precise press-fit installation with 0.000" to 0.003" hole tolerance for secure, vibration-resistant assemblies
  • Full 1" length threading provides maximum engagement and load distribution in sheet metal applications
  • Class 2A thread fit ensures consistent, reliable mating with standard UNC nuts and components
  • RoHS 3 compliance meets environmental regulations for global manufacturing requirements
  • Coarse UNC threading enables faster assembly and reduced cross-threading risks
  • Right-hand thread direction offers standard installation compatibility across industrial equipment

Professional Applications & Engineering Value

This 1/4"-20 UNC press-fit stud delivers exceptional value in sheet metal assemblies where vibration resistance and corrosion protection are critical. The 18-8 stainless steel construction prevents rust in demanding environments, while the fully threaded design maximizes pull-out strength when installed in materials as thin as 0.062". Engineers specify this Class 2A thread fit component for electronic enclosures, industrial control panels, and machinery frames where the 0.000" to 0.003" hole tolerance eliminates loose fittings and maintains alignment precision. The right-hand coarse thread configuration ensures compatibility with standard fastening systems, reducing assembly time and inventory complexity.

Specification Summary & Compliance

This press-fit stud features 1/4"-20 UNC coarse threading with Class 2A thread fit per ASME standards, ensuring dimensional accuracy and reliable performance. The component is manufactured to precise specifications including 1" length, 0.249" hole diameter compatibility, and 0.25" drill bit requirements. Compliance with RoHS 3 (2015/863/EU) regulations confirms environmental responsibility, making it suitable for global supply chains and regulated industries.

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