S-95345A474 6-32 x 7/16" ASME B18.13 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

0187FA00015 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
0187FA00015 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

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

Part No.
Part No. 0187FA00015
Equivalent to mcmaster :
95345A474

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 7/16"

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 External-Tooth Lock
Washer Material 410 Stainless Steel
Washer OD 0.285"
Washer Thickness 0.02"
Washer Finish Passivated

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Not Rated
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 vibration resistance with integrated external-tooth lock washer that maintains clamping force in high-motion environments
  • Excellent corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
  • High tensile strength rating of 70,000 psi ensures reliable performance under mechanical stress
  • Quick installation and removal with Phillips No. 2 drive and rounded pan head design
  • Precise thread engagement through Class 2A thread fit and UNC coarse threading for faster assembly
  • Secure fastening solution combining fully threaded design with locking washer for permanent installations
  • Comprehensive regulatory compliance meeting ASME B18.13, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 6-32 UNC coarse thread screw with external-tooth lock washer addresses critical vibration-induced loosening in industrial equipment, machinery, and electrical enclosures. The 18-8 stainless steel construction paired with passivated finish provides exceptional corrosion resistance in harsh environments, while the rounded pan head with Phillips drive enables efficient installation in confined spaces. The integrated 410 stainless steel lock washer creates permanent metal-to-metal contact that maintains clamping force under continuous vibration, making these screws ideal for automotive assemblies, manufacturing equipment, and outdoor applications where reliability is paramount. The coarse threading ensures rapid assembly without cross-threading risks.

Specification Summary & Compliance

This fastener features Class 2A thread fit with UNC coarse threading (6-32 size) and 7/16" length. Manufacturing complies with ASME B18.13 specifications, ensuring dimensional accuracy and performance consistency. The screw and washer combination meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring compliant components.

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