S-90317A630 M6 x 12 mm JIS B 1188-C Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

0188FA00026 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
0188FA00026 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

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

Part No.
Part No. 0188FA00026
Equivalent to mcmaster :
90317A630

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 External-Tooth Lock
Washer Material 18-8 Stainless Steel
Washer OD 11 mm
Washer Thickness 0.75 mm
Washer Finish Passivated

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met JIS B 1188-C
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 and extended service life.
  • Reliable vibration resistance due to the integrated external-tooth lock washer, preventing loosening in dynamic applications.
  • High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for durable, load-bearing assemblies.
  • Precise and easy installation with a No. 3 Phillips drive and fully threaded M6x1mm coarse thread for quick, secure fastening.
  • Consistent dimensional accuracy ensured by Class 6g thread fit, providing reliable interchangeability and fit.
  • Broad industrial compliance meeting JIS B 1188-C standards, RoHS 3, and REACH for global quality and safety.
  • Optimized for repetitive use with a rounded pan head design that reduces surface damage and improves tool access.

Professional Applications & Engineering Value

This M6 metric screw with an external-tooth lock washer is engineered to solve common industrial challenges like vibration-induced loosening and corrosion in machinery, automotive, and electrical enclosures. Made from 18-8 stainless steel with a passivated finish, it resists rust and chemical exposure, ensuring longevity in humid or outdoor settings. The fully threaded design and Class 6g thread fit provide uniform clamping force, while the Phillips drive and rounded pan head facilitate efficient installation in tight spaces. Ideal for assemblies requiring repeated maintenance, this screw enhances reliability and reduces downtime in demanding applications.

Specification Summary & Compliance

This product features an M6x1mm coarse metric thread with Class 6g tolerance for precise fit, and is fully threaded for consistent performance. It complies with JIS B 1188-C manufacturing standards, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.

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