S-91660A160 1/2"-13 x 5 5/8" T-Bolts

T-Bolts

0857FA00018 T-Bolts
0857FA00018 T-Bolts

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

Part No.
Part No. 0857FA00018
Equivalent to mcmaster :
91660A160

Basic Information

System of Measurement Inch
T-Bolt Type Collar

Head Parameters

Fastener Head Type Tee
Head Thickness 5/8"
Head Width 3 1/2"

Neck & Shank Parameters

Collar Length 1/2"

Dimension Parameters

Length 5 5/8"
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 3/4"

Material & Strength Parameters

Material Steel
Hardness Rockwell C45
Tensile Strength 70000 psi

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

  • Exceptional load-bearing capacity with 70,000 psi tensile strength for reliable performance in demanding applications
  • Enhanced corrosion resistance through black oxide finish, extending service life in industrial environments
  • Optimized thread engagement with Unified Standard Class 2A fit ensuring precise, secure fastening
  • Superior material durability from Rockwell C45 hardened steel for repeated use without deformation
  • Versatile installation capability with partially threaded design allowing both clamping and sliding functions
  • Broad compatibility with UNC coarse threading system for easy integration with standard components
  • Regulatory compliance assurance meeting both RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This high-strength steel T-bolt with black oxide finish addresses critical challenges in heavy-duty clamping systems and machinery assembly. The 1/2"-13 UNC coarse threading provides rapid installation while maintaining vibration resistance, particularly valuable in manufacturing equipment and structural frameworks. The partially threaded design allows the unthreaded shank to function as a precision guide rail in jigs and fixtures, while the substantial 3 1/2" tee head distributes clamping force evenly across surfaces. Engineered for industrial T-slot applications, this collar-type T-bolt delivers reliable performance in machine tools, automotive assembly, and material handling systems where 70,000 psi tensile strength prevents joint failure under dynamic loads.

Specification Summary & Compliance

This T-bolt features Unified Standard Class 2A thread fit with 1/2"-13 UNC coarse threading and right-hand direction. The 5 5/8" length includes 3/4" thread length and 1/2" collar length for precise engagement. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance for industrial applications worldwide. The Rockwell C45 hardness rating confirms consistent material properties across production batches.

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