S-98201A611 1/2"-13 x 1 1/2" Exact-Grip-Length Flanged Socket Head Screws
Exact-Grip-Length Flanged Socket Head 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 corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Enhanced load distribution through the integrated flange, reducing surface pressure and preventing loosening
- High tensile strength of 80,000 psi ensures reliable performance under heavy mechanical stress
- Precise Class 3A thread fit delivers secure, vibration-resistant fastening with minimal play
- Convenient 3/8" hex drive allows for easy installation and removal with standard tools
- Durable Rockwell B83 hardness provides excellent wear resistance and long service life
- Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance
Professional Applications & Engineering Value
This flanged socket head cap screw is engineered to address critical challenges in heavy-duty assembly, machinery, and structural applications. The 18-8 Stainless Steel material offers reliable corrosion resistance, while the 1/2"-13 UNC coarse threads with Class 3A fit ensure rapid installation and high clamping force. The integrated flange eliminates the need for separate washers, distributing load evenly and reducing the risk of joint failure under vibration or dynamic loads. With a partially threaded design and 80,000 psi tensile strength, it is ideal for automotive, aerospace, and industrial equipment where precision, durability, and compliance with RoHS and REACH standards are essential.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for superior accuracy. Dimensions include a 1/2"-13 thread size, 3/4" thread length, and overall length of 1 1/2". It is manufactured from 18-8 Stainless Steel with a Rockwell B83 hardness and 80,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international environmental and safety standards for industrial use.
