S-92356A551 1/4"-20 x 2 1/4" ASME B18.5 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Reliable anti-rotation performance through integrated square neck design that prevents spinning during installation
- Wide compatibility with UNC coarse threading (1/4"-20) ensuring easy engagement and secure fastening
- Full-threaded design provides maximum grip length and uniform load distribution across the entire bolt
- Precision manufacturing to Class 2A thread fit guarantees consistent performance and easy assembly
- Regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 1/4"-20 carriage bolt delivers critical engineering solutions where vibration resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent corrosion resistance for outdoor equipment, marine applications, and food processing facilities. The square neck design effectively prevents rotation during torque application, eliminating the need for secondary locking mechanisms in wood-to-metal connections, structural framing, and machinery assembly. With UNC coarse threading and full threading along the 2-1/4" length, installation is accelerated while maintaining superior pull-out strength. These carriage bolts are engineered to withstand extreme mechanical stress in construction, transportation, and industrial maintenance applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to ASME B18.5 dimensional standards with Class 2A thread fit tolerance for consistent performance. Features UNC 1/4"-20 coarse threads with right-hand direction and full threading. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B55 hardness and 70,000 psi tensile strength.
