S-91241A539 6-32 x 1/2" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0192FA00028 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0192FA00028 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0192FA00028
Equivalent to mcmaster :
91241A539

Basic Information

Screw Features With Washer
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.27"
Head Height 0.097"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded
Locking Type Lock Washer

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 2

Washer & Nut

Washer Type Spring Lock
Washer Material 410 Stainless Steel
Washer OD 0.32"
Washer Thickness 0.025"
Washer Finish Passivated

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B80
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.13
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 with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
  • Enhanced vibration resistance through the integrated 410 stainless steel spring lock washer, preventing loosening under dynamic loads.
  • High mechanical strength offering 70,000 psi tensile strength and Rockwell B80 hardness for demanding industrial applications.
  • Efficient installation with No. 2 Phillips drive and coarse UNC threads, reducing assembly time and effort.
  • Precise thread fit with Class 2A tolerance, ensuring consistent engagement and secure fastening in machinery.
  • Full threading design allows for maximum grip along the entire length, improving load distribution.
  • Compliance with industry standards including ASME B18.13, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.

Professional Applications & Engineering Value

This 6-32 x 1/2" Phillips pan head screw with an integrated spring lock washer is engineered to address common industrial challenges such as vibration-induced loosening and corrosion. Made from 18-8 stainless steel with a passivated finish, it resists rust and chemical exposure, making it ideal for machinery, electronics, and outdoor equipment. The coarse UNC threads and Class 2A fit ensure quick, reliable assembly in materials like metal and plastic, while the 410 stainless steel washer provides consistent locking force. Its fully threaded design and high tensile strength support heavy-duty applications, reducing maintenance needs and downtime in production environments.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNC coarse threads for precise dimensional accuracy. It is manufactured in compliance with ASME B18.13 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.

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