S-91241A204 M2.5 x 10 mm Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0191FA00004 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0191FA00004 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0191FA00004
Equivalent to mcmaster :
91241A204

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 10 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 for long-lasting performance in harsh environments
  • Enhanced vibration resistance through the integrated spring lock washer, preventing loosening in dynamic applications
  • High mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing capabilities
  • Optimized thread engagement with Class 6g coarse threads ensuring secure fastening and easy installation
  • Efficient drive compatibility featuring a Phillips No. 1 drive for common tool usage and reduced cam-out risk
  • Full thread coverage along the 10 mm length for maximum grip and adjustment flexibility in assemblies
  • Regulatory compliance with RoHS 3 and REACH standards, making them suitable for global industrial and electronic applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M2.5 metric screws with 18-8 stainless steel construction and passivated finish provide exceptional resistance to corrosion and chemical exposure. The combination of a pan head with Phillips drive and integrated spring lock washer addresses critical vibration-induced loosening in machinery, automotive components, and electronic enclosures. With Class 6g coarse threads and full threading, they ensure rapid installation and reliable clamping force in metals and plastics, reducing maintenance downtime and improving assembly integrity across manufacturing, aerospace, and telecommunications sectors.

Specification Summary & Compliance

This screw features precision M2.5x0.45 mm coarse threads with Class 6g tolerance for consistent fit. The fully threaded 10 mm length, combined with a pan head profile and spring lock washer, meets rigorous manufacturing standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for international industrial applications.

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