S-91241A808 M4 x 10 mm ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

0191FA00012 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
0191FA00012 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

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

Part No.
Part No. 0191FA00012
Equivalent to mcmaster :
91241A808

Basic Information

Screw Features With Washer
System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 8 mm
Head Height 3.1 mm
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 10 mm

Thread Parameters

Thread Type Metric
Thread Size M4
Thread Pitch 0.7 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. 2

Washer & Nut

Washer Type Spring Lock
Washer Material 410 Stainless Steel
Washer OD 8.45 mm
Washer Thickness 0.76 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 corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
  • Enhanced vibration resistance and secure locking thanks to the integrated 410 stainless steel spring lock washer.
  • High-strength performance with 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications.
  • Reliable and easy installation with a standard Phillips No. 2 drive and fully threaded Class 6g fit.
  • Durable, long-lasting assembly from the combination of a pan head and coarse M4 x 0.7mm thread for robust connections.
  • Compliance with major industry standards including ASME B18.13, ensuring consistent quality and interchangeability.
  • Safe for regulated industries as it is RoHS 3 and REACH compliant, meeting environmental and safety directives.

Professional Applications & Engineering Value

This M4 pan head screw is engineered to solve critical fastening challenges in industrial settings. The 18-8 stainless steel construction and passivated finish provide excellent resistance to rust and corrosion, making it suitable for outdoor, marine, or chemical-exposed applications. The integrated spring lock washer made from 410 stainless steel prevents loosening under vibration, a common issue in machinery and automotive assemblies. With a coarse thread and Class 6g fit, it offers quick installation and reliable holding power in metals and plastics. Its fully threaded design ensures maximum grip length, ideal for heavy-duty fasteners in equipment manufacturing, electronics enclosures, and structural frameworks where durability and compliance are paramount.

Specification Summary & Compliance

This screw features a metric M4 x 0.7mm coarse thread with a Class 6g tolerance for precise fit. It is manufactured in accordance with ASME B18.13 specifications, ensuring dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and consumer applications.

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