S-98760A180 1/4"-20 x 10" Hold-Down Bolts

Hold-Down Bolts

0859FA00021 Hold-Down Bolts
0859FA00021 Hold-Down Bolts

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

Part No.
Part No. 0859FA00021
Equivalent to mcmaster :
98760A180

Basic Information

System of Measurement Inch
Includes Nut, Washer

Head Parameters

Head Type Hook

Dimension Parameters

Length 10"
Screw Diameter 0.25"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Threading Partially Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2A
Thread Length 3 13/16"

Material & Strength Parameters

Material Zinc-Plated Steel
Hardness Rockwell B70
Tensile Strength 60000 psi

Finish & Compliance Parameters

REACH Compliant
RoHS Compliant
Hook Angle 30°
Hook Length 3/4"
Hook Profile Round
Hook Thickness 1/4"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced load security with 60,000 PSI tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
  • Superior corrosion resistance through zinc-plated steel construction, extending service life in demanding environments
  • Optimized hook engagement with 30° angled round profile providing secure attachment points without damaging materials
  • Quick installation advantage featuring UNC coarse threading with Class 2A fit for faster assembly and reduced cross-threading risk
  • Complete fastening solution including matching nut and washer for immediate use without additional component sourcing
  • Versatile partial threading allowing both secure threaded engagement and smooth shank for pivot points
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial applications

Professional Applications & Engineering Value

This zinc-plated steel hook hold-down bolt delivers exceptional engineering value across multiple industrial sectors. The 30° angled round hook profile provides superior mechanical advantage for securing cables, ropes, and straps without creating stress concentrations that could compromise materials. The partially threaded design with UNC coarse threading ensures rapid installation while maintaining precise Class 2A thread fit for vibration resistance. With 60,000 PSI tensile strength and Rockwell B70 hardness, this fastener withstands dynamic loads in construction, transportation, and manufacturing applications. The zinc plating offers reliable corrosion protection, making it ideal for both indoor and outdoor industrial hold-down requirements where environmental factors pose challenges to fastener integrity.

Specification Summary & Compliance

This 1/4"-20 hold-down bolt features precise UNC coarse threading with Class 2A thread fit tolerance for consistent engagement. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. The partially threaded configuration provides 3 13/16" of usable thread length with right-hand thread direction, while the 10" overall length and 3/4" hook length deliver optimal reach and engagement capabilities for diverse fastening scenarios.

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