S-91241A203 M2.5 x 8 mm Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0191FA00003 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0191FA00003 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0191FA00003
Equivalent to mcmaster :
91241A203

Basic Information

Screw Features With Washer
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 5 mm
Head Height 2.1 mm
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 8 mm

Thread Parameters

Thread Type Metric
Thread Size M2.5
Thread Pitch 0.45 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded
Locking Type Lock Washer

Tip & Drive Parameters

Drive Style Phillips
Drive Size No. 1

Washer & Nut

Washer Type Spring Lock
Washer Material 18-8 Stainless Steel
Washer OD 6.35 mm
Washer Thickness 0.6 mm
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
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 and passivated finish, ideal for harsh environments.
  • Reliable, vibration-resistant locking thanks to the integrated spring lock washer that prevents loosening under dynamic loads.
  • High mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for durable, long-lasting fastening.
  • Precise, easy installation with a Class 6g thread fit and Phillips drive, ensuring consistent performance and reduced assembly time.
  • Broad industrial compatibility as a fully threaded, right-hand coarse thread metric screw suitable for various applications.
  • Environmental and regulatory safety with full compliance to RoHS 3 and REACH standards, supporting sustainable manufacturing.
  • Secure, flush fastening with a standard pan head design that provides a low-profile, stable connection.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M2.5 metric screw combines 18-8 stainless steel and a passivated finish to combat corrosion in moisture-rich or chemical-exposed environments. The fully threaded design and Class 6g thread fit ensure precise engagement, minimizing the risk of cross-threading and enhancing load distribution. Paired with a spring lock washer, it effectively counters vibration-induced loosening in machinery, electronics, and automotive assemblies. This pan head Phillips screw offers a reliable, corrosion-resistant fastening solution that maintains integrity under high-stress conditions, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to metric thread standards with M2.5 size, 0.45 mm coarse pitch, and Class 6g thread fit for consistent dimensional accuracy. Manufacturing follows industry practices for fully threaded, right-hand fasteners, and it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.

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