S-95894A118 8-32 x 1/2" Thread-Locking Stainless Steel Button Head Torx Screws

Thread-Locking Stainless Steel Button Head Torx Screws

0203FA00008 Thread-Locking Stainless Steel Button Head Torx Screws
0203FA00008 Thread-Locking Stainless Steel Button Head Torx Screws

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

Part No.
Part No. 0203FA00008
Equivalent to mcmaster :
95894A118

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.312"
Head Height 0.087"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Epoxy Adhesive
Thread Locker Temperature Range -65° to 400° F

Tip & Drive Parameters

Drive Style Torx
Drive Size T15

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B55
Tensile Strength 70000 psi
Begins to Harden 4 hrs.
Reaches Full Strength 72 hrs.

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

  • Permanent vibration resistance with integrated epoxy thread locker that eliminates the need for separate adhesives
  • Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
  • High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
  • Enhanced torque transmission through T15 Torx drive that reduces cam-out and tool slippage
  • Wide temperature tolerance maintaining secure fastening from -65° to 400°F (-54° to 204°C)
  • Precision thread engagement with Class 3A UNC coarse threads ensuring reliable installation
  • Streamlined assembly process with fully threaded design and rounded button head profile

Professional Applications & Engineering Value

These 18-8 stainless steel screws with permanent epoxy thread locker provide critical vibration resistance in industrial machinery, electronic enclosures, and automotive assemblies. The T15 Torx drive delivers superior torque transfer compared to Phillips or slotted drives, reducing fastener damage during high-torque applications. With UNC coarse threads and Class 3A thread fit, these rounded head screws ensure precise engagement in tapped holes while the epoxy adhesive cures to full strength within 72 hours, creating permanent bonds that withstand extreme temperature cycling from -65° to 400°F. The combination of 70,000 psi tensile strength and corrosion-resistant stainless steel makes these fasteners ideal for applications where reliability and longevity are paramount.

Specification Summary & Compliance

This 8-32 x 1/2" screw features UNC coarse threading with precision Class 3A thread fit and complete threading along the shank. Manufactured to exacting standards with Rockwell B55 hardness and 70,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.

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