S-90910A603 000-120 x 3/16" Stainless Steel Button Head Torx Plus Screws

Stainless Steel Button Head Torx Plus Screws

0155FA00051 Stainless Steel Button Head Torx Plus Screws
0155FA00051 Stainless Steel Button Head Torx Plus Screws

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

Part No.
Part No. 0155FA00051
Equivalent to mcmaster :
90910A603

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.065"
Head Height 0.018"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 3/16"

Thread Parameters

Thread Type UNS
Thread Size 000-120
Thread Diameter 0.034"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Torx Plus
Drive Size IP1, T1

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B55
Tensile Strength 60000 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 construction and passivated finish, ideal for harsh environments.
  • Enhanced torque transmission and reduced cam-out thanks to the Torx Plus IP1 drive, ensuring secure fastening and tool longevity.
  • Reliable, fine-pitch threading (UNS 000-120) with a Class 2A fit for precise engagement and vibration resistance in compact assemblies.
  • High tensile strength of 60,000 psi and Rockwell B55 hardness for dependable performance under mechanical stress.
  • Fully threaded design provides maximum grip and holding power along the entire 3/16" length.
  • Compliant with RoHS 3 and REACH regulations, ensuring safety and environmental responsibility for global markets.
  • Low-profile, rounded button head offers a finished appearance and helps prevent snagging in tight spaces.

Professional Applications & Engineering Value

Engineered for precision, these 000-120 fine thread screws solve critical challenges in electronics, medical devices, and miniature machinery where space is limited and reliability is non-negotiable. The combination of 18-8 stainless steel and a passivated finish provides excellent resistance to oxidation and chemical exposure, extending service life in demanding conditions. The Torx Plus drive ensures high torque transfer with minimal risk of stripping, which is vital for repeated assembly and disassembly in maintenance-sensitive industrial applications. Their fully threaded design and fine thread profile deliver superior clamp load distribution, preventing loosening under vibration—making them an essential component for engineers who value durability and precision in small-scale fastening.

Specification Summary & Compliance

This screw features a 000-120 UNS fine thread with a Class 2A thread fit for consistent, precise mating. It is manufactured from 18-8 Stainless Steel, heat treated to a hardness of Rockwell B55, and achieves a tensile strength of 60,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent international standards for hazardous substance restrictions.

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