S-91900A859 M6 x 10 mm ASTM F879M, ISO 7380 Tamper-Resistant Torx Stainless Steel Button Head Screws

Tamper-Resistant Torx Stainless Steel Button Head Screws

0205FA00027 Tamper-Resistant Torx Stainless Steel Button Head Screws
0205FA00027 Tamper-Resistant Torx Stainless Steel Button Head Screws

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

Part No.
Part No. 0205FA00027
Equivalent to mcmaster :
91900A859

Basic Information

System of Measurement Metric

Head Parameters

Head Type Rounded
Head Diameter 10.5 mm
Head Height 3.28 mm
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 10 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

Tip & Drive Parameters

Drive Style Tamper-Resistant Torx
Drive Size T27

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B96
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASTM F879M, ISO 7380
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced tamper resistance with specialized T27 Torx drive to prevent unauthorized access in secure environments
  • Superior corrosion resistance through 18-8 stainless steel construction and passivated finish for extended service life
  • Reliable thread engagement with Class 6g fit and coarse 1 mm pitch ensuring secure fastening in industrial applications
  • High mechanical strength delivering 80,000 psi tensile strength and Rockwell B96 hardness for demanding applications
  • Streamlined installation with fully threaded design and rounded button head profile for flush mounting
  • International compliance meeting ASTM F879M and ISO 7380 standards for global project specifications
  • Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing operations

Professional Applications & Engineering Value

These M6 metric screws with tamper-resistant Torx drive address critical security and durability challenges in industrial settings. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for harsh environments including manufacturing equipment, electronic enclosures, and public infrastructure. The button head design offers a low-profile solution while maintaining high clamp load capacity, and the Class 6g thread fit ensures precise engagement with mating components. These security screws are particularly valuable for applications requiring vandal-resistant fastening in transportation, telecommunications, and industrial machinery where unauthorized access prevention is paramount.

Specification Summary & Compliance

Manufactured to precise metric dimensions with M6 x 1 mm coarse thread and Class 6g thread fit tolerance. Complies with ASTM F879M and ISO 7380 manufacturing standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features right-hand threading and fully threaded shank for maximum holding power.

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