S-91285A119 1/2"-13 x 6 1/4" T-Bolts

T-Bolts

0857FA00009 T-Bolts
0857FA00009 T-Bolts

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

Part No.
Part No. 0857FA00009
Equivalent to mcmaster :
91285A119

Basic Information

System of Measurement Inch
Application General Purpose

Head Parameters

Fastener Head Type Tee
Head Thickness 1/2"
Head Width 3"

Dimension Parameters

Length 6 1/4"
Screw Diameter 0.5"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
Threading Partially Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Unified Standard Class 2A
Thread Length 5"

Material & Strength Parameters

Material Steel
Hardness Not Rated

Finish & Compliance Parameters

Finish Black Oxide
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

  • Enhanced corrosion resistance with black oxide finish for extended service life in demanding environments
  • Superior load distribution from the 3" wide T-head that prevents surface damage and provides stable fastening
  • Optimized thread engagement with 5" partial UNC coarse threading for faster assembly and reduced cross-threading risk
  • Reliable mechanical performance from durable steel construction suitable for general industrial applications
  • Precise thread compatibility with Unified Standard Class 2A fit ensuring consistent mating with standard nuts
  • Right-hand thread design for intuitive installation following conventional fastening practices
  • Regulatory compliance assurance meeting both RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

This heavy-duty T-bolt delivers exceptional engineering value through its balanced design and material selection. The steel construction provides the necessary tensile strength for general purpose fastening while the black oxide finish offers corrosion protection without compromising dimensional accuracy. The partially threaded configuration with 5" of 1/2"-13 UNC coarse threading allows for precise adjustment in clamping applications while maintaining unthreaded shank strength. The substantial 3" T-head distributes clamping force effectively, preventing damage to work surfaces in machinery, fixtures, and structural assemblies. This combination addresses common industrial challenges including corrosion resistance, installation speed, and reliable performance in general purpose applications across manufacturing and maintenance operations.

Specification Summary & Compliance

This T-bolt features Unified Standard Class 2A thread fit with 1/2"-13 UNC coarse threads and right-hand direction. The fastener maintains precise dimensional tolerances with 6-1/4" total length, 3" head width, and 1/2" head thickness. Manufacturing complies with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental safety and industrial compliance standards are met for global applications.

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