S-92453A548 1/4"-20 x 1 3/4" ASME B18.6.3 Brass Round Head Slotted Screws

Brass Round Head Slotted Screws

0133FA00091 Brass Round Head Slotted Screws
0133FA00091 Brass Round Head Slotted Screws

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

Part No.
Part No. 0133FA00091
Equivalent to mcmaster :
92453A548

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.472"
Head Height 0.175"
Rounded Head Profile Standard
Rounded Head Style Round

Dimensions

Length 1 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 thanks to brass construction, ensuring long-term reliability in humid or corrosive industrial environments
  • Excellent mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for dependable performance under load
  • Precise thread engagement with Class 2A fit and UNC coarse threading for faster assembly and reduced cross-threading risks
  • Broad compatibility with standard 1/4"-20 UNC components, making replacement and integration straightforward
  • Enhanced durability through fully threaded design that maintains consistent holding power across the entire screw length
  • Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
  • Traditional slotted drive providing reliable installation with standard screwdrivers where power tools aren't practical

Professional Applications & Engineering Value

This brass rounded head slotted screw delivers exceptional value in electrical, marine, and plumbing applications where corrosion resistance is critical. The UNC coarse threading and Class 2A thread fit ensure rapid installation while minimizing galling in soft materials. Engineers specify these fully threaded fasteners for applications requiring consistent clamping force along the entire engagement length. The combination of 50,000 psi tensile strength and Rockwell B40 hardness provides reliable performance in vibration-prone environments, while the rounded head profile offers a finished appearance with reduced snagging hazards. These industrial brass screws are particularly valuable in maintenance operations where compatibility with existing 1/4"-20 UNC threaded components is essential.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerances per UNC standards with 1/4"-20 coarse threading and full thread engagement. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The product is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions.

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