S-92800A340 1 1/8"-7 x 7 1/2" 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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
- Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments.
- High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation over time.
- Coarse UNC thread with Class 2A fit offers easier, faster assembly and better tolerance to minor damage or debris.
- External hex drive and hex head design allows for high-torque installation with standard tools, improving installation efficiency.
- Partial threading provides unthreaded shank strength where needed, ideal for applications requiring clamping force.
- Full compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards for industrial use.
Professional Applications & Engineering Value
This 1 1/8"-7 UNC hex head screw is engineered to address critical challenges in demanding industrial settings. Manufactured from 18-8 stainless steel, it delivers superior corrosion resistance, making it suitable for outdoor, marine, or chemical-exposed applications where rust can compromise structural integrity. The coarse thread design and Class 2A thread fit facilitate quick assembly even in less-than-ideal conditions, reducing installation time and labor costs. With an 80,000 psi tensile strength and Rockwell B70 hardness, this heavy-duty hex bolt maintains clamp load under vibration and high stress, preventing joint failure in machinery, construction, and transportation equipment. Its partial threading ensures that the unthreaded portion bears shear loads effectively, enhancing the fastener’s overall reliability in structural connections.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent, precise engagement. Dimensions include a 1 1/8"-7 thread size, 7 1/2" length, and partial threading with a minimum thread length of 2 3/4". It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free of restricted hazardous substances and safe for industrial and international use.
