S-91241A817 M6 x 12 mm ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0191FA00021 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0191FA00021 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0191FA00021
Equivalent to mcmaster :
91241A817

Basic Information

Screw Features With Washer
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 12 mm
Head Height 4.6 mm
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 12 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 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. 3

Washer & Nut

Washer Type Spring Lock
Washer Material 410 Stainless Steel
Washer OD 12.9 mm
Washer Thickness 0.99 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
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 an integrated 410 stainless steel spring lock washer that maintains clamping force in high-stress environments.
  • Excellent corrosion resistance thanks to the 18-8 stainless steel construction and passivated finish, ideal for harsh industrial settings.
  • High tensile strength of 70,000 PSI ensures reliable performance and durability under heavy loads and mechanical stress.
  • Easy installation and removal with a No. 3 Phillips drive and fully threaded M6x1mm coarse thread design for quick assembly.
  • Precise thread fit (Class 6g) provides consistent engagement and reduces the risk of cross-threading in metric applications.
  • Wide compatibility with standard tools and components, backed by compliance with ASME B18.13 specifications.
  • Environmentally safe and compliant with RoHS 3 and REACH regulations, ensuring suitability for global supply chains.

Professional Applications & Engineering Value

These M6x1mm coarse thread screws are engineered to address common industrial challenges such as loosening under vibration and corrosion in demanding environments. The combination of 18-8 stainless steel and a passivated finish provides exceptional resistance to rust and chemicals, extending service life in applications like machinery assembly, automotive components, and electrical enclosures. The integrated spring lock washer enhances reliability by preventing back-off, making these pan head Phillips screws ideal for equipment subjected to constant motion or thermal cycling. With full threading and a Class 6g thread fit, they ensure secure fastening in metric coarse thread systems, reducing installation time and maintenance costs for B2B users in manufacturing and maintenance sectors.

Specification Summary & Compliance

This product features precise metric coarse threading (M6x1mm) with a Class 6g thread fit for accurate engagement. It is manufactured in accordance with ASME B18.13 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality consistency. The screw is fully threaded and includes a spring lock washer for enhanced performance in industrial fastening applications.

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