S-91241A202 M2.5 x 6 mm Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0191FA00002 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0191FA00002 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0191FA00002
Equivalent to mcmaster :
91241A202

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 6 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 construction and passivated finish, ideal for harsh environments.
  • Secure, vibration-resistant fastening thanks to the integrated spring lock washer, preventing loosening under dynamic loads.
  • High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications.
  • Precise and reliable thread engagement with Class 6g coarse metric threads ensuring consistent performance and easy assembly.
  • Efficient installation using a standard Phillips No. 1 drive, compatible with common tools for quick and secure tightening.
  • Versatile pan head design with a rounded profile providing a low-profile, finished appearance and good bearing surface.
  • Full regulatory compliance with RoHS 3 and REACH, meeting stringent environmental and safety standards for industrial use.

Professional Applications & Engineering Value

This M2.5 metric screw is engineered to solve critical fastening challenges in industrial and electronic assemblies. The combination of 18-8 stainless steel and a passivated finish provides excellent resistance to oxidation and chemical exposure, extending service life in demanding conditions. The integrated spring lock washer is crucial for applications subject to vibration or thermal cycling, maintaining clamp load and preventing joint failure. The Class 6g coarse thread and fully threaded design ensure rapid installation and high pull-out strength, making these pan head Phillips screws a reliable choice for securing components in machinery, consumer electronics, and automotive sub-assemblies where precision and long-term reliability are non-negotiable.

Specification Summary & Compliance

This screw features a metric coarse thread (M2.5 x 0.45mm pitch) with a Class 6g thread fit for standard tolerance. It is fully threaded and measures 6mm in length. The assembly includes a spring lock washer (OD: 6.35mm, Thickness: 0.6mm) made from matching 18-8 stainless steel with a passivated finish. Manufacturing and material compliance is confirmed with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006).

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