S-91416A135 1/4"-20 x 1 1/2" ASME B18.6.2 Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior torque transmission with external square drive design for reliable fastening in high-stress applications
- Exceptional durability provided by alloy steel construction with Rockwell C45 hardness rating
- Precision threading with 1/4"-20 UNC coarse threads and Class 2A fit ensures consistent performance
- Optimized for industrial environments with right-hand thread direction and cup tip for secure positioning
- Regulatory compliance meets ASME B18.6.2 standards for dimensional accuracy and performance
- Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing
- Versatile 1 1/2" length accommodates various assembly requirements while maintaining structural integrity
Professional Applications & Engineering Value
This alloy steel set screw delivers exceptional performance in demanding industrial settings where vibration resistance and long-term reliability are critical. The 1/4"-20 UNC coarse thread configuration with Class 2A fit provides excellent engagement in various materials while minimizing cross-threading risks. The square head design with external drive enables high-torque applications without stripping, making it ideal for machinery, equipment manufacturing, and automotive assemblies. With Rockwell C45 hardness, this fastener maintains its structural integrity under repeated stress cycles, solving common failure points in heavy-duty applications. The cup tip ensures positive seating on shafts and components, preventing slippage in precision positioning tasks.
Specification Summary & Compliance
This set screw features precise Class 2A thread fit per UNC standards with 1/4"-20 coarse thread spacing and right-hand direction. Manufacturing complies with ASME B18.6.2 specifications for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations regarding chemical safety. Constructed from high-grade alloy steel with Rockwell C45 hardness, it delivers consistent performance across industrial applications while maintaining regulatory adherence.
