S-91271A605 5/16"-24 x 3/4" IFI 115 12-Point Screws
12-Point 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
- Exceptional 170,000 psi tensile strength ensures reliable performance in high-stress industrial applications
- Precision Class 3A thread fit provides superior engagement and vibration resistance in critical assemblies
- Alloy steel construction with Rockwell C37 hardness delivers outstanding durability and wear resistance
- External 12-point drive design enables secure tool engagement and high-torque installation capability
- Integrated flange feature eliminates the need for separate washers while distributing clamp load effectively
- Fine UNF threading (5/16"-24) offers improved adjustment precision and superior holding power
- Full compliance with IFI 115, RoHS 3, and REACH regulations guarantees environmental responsibility and industry-standard quality
Professional Applications & Engineering Value
This high-strength 12-point alloy steel screw is engineered to address critical fastening challenges in demanding industrial environments. The combination of 170,000 psi tensile strength and Rockwell C37 hardness makes it ideal for applications requiring exceptional load-bearing capacity and resistance to deformation. The 5/16"-24 UNF fine threading with Class 3A precision fit ensures secure fastening in vibration-prone equipment, while the external 12-point drive facilitates quick installation and removal in confined spaces. The integrated flange design provides superior bearing surface distribution, making these screws particularly valuable in automotive, heavy machinery, and aerospace applications where reliability and precision are paramount.
Specification Summary & Compliance
This 12-point screw features precise 5/16"-24 UNF fine threading with Class 3A thread fit for superior dimensional accuracy. Manufactured to meet IFI 115 specifications, the fastener demonstrates compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 3/4" length and 15/32" flange diameter provide consistent dimensional stability, while the fully threaded design ensures maximum engagement strength across the entire fastener length.
