S-92446A540 1/4"-20 x 3/4" ASME B18.6.3 Brass Pan Head Slotted Screws

Brass Pan Head Slotted Screws

0127FA00051 Brass Pan Head Slotted Screws
0127FA00051 Brass Pan Head Slotted Screws

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

Part No.
Part No. 0127FA00051
Equivalent to mcmaster :
92446A540

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.492"
Head Height 0.144"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/4"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Slotted

Material & Strength

Material Brass
Hardness Rockwell B40
Tensile Strength 50000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.6.3
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 due to brass construction, ideal for humid or corrosive industrial environments
  • Reliable fastening performance with 50,000 psi tensile strength and Rockwell B40 hardness for durable connections
  • Easy installation and removal with standard slotted drive design and fully threaded UNC coarse threading
  • Precise thread fit with Class 2A tolerance ensuring smooth assembly and consistent engagement
  • Broad compliance coverage meeting ASME B18.6.3 standards plus RoHS 3 and REACH environmental regulations
  • Versatile pan head design providing a rounded, low-profile finish with adequate bearing surface
  • Right-hand threading compatibility for standard industrial applications and replacement needs

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these brass pan head slotted screws deliver exceptional corrosion resistance where moisture or chemical exposure compromises ordinary fasteners. The 1/4"-20 UNC coarse thread with Class 2A fit ensures rapid installation in soft materials or pre-tapped holes, reducing assembly time while maintaining 50,000 psi tensile strength. Fully threaded design provides consistent clamping force across the entire 3/4" length, making them ideal for electrical enclosures, marine hardware, plumbing assemblies, and machinery requiring non-magnetic, corrosion-resistant fastening. The standardized slotted drive and rounded pan head profile offer compatibility with common tools while presenting a finished appearance.

Specification Summary & Compliance

This screw features 1/4"-20 UNC coarse threading with Class 2A thread fit per ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. Manufacturing complies with ASME B18.6.3 standards for dimensional requirements, while material composition meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The brass material provides natural corrosion resistance without additional plating requirements.

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