S-91273A279 3/4"-10 Shoulder Screws
Shoulder 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 with 18-8 stainless steel construction, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity under stress.
- Knurled hex socket head design provides superior grip and prevents tool slippage during installation.
- Precision Class 2A thread fit guarantees smooth assembly and consistent performance in mating components.
- Durable Rockwell B55 hardness offers excellent wear resistance and long service life.
- RoHS 3 and REACH compliance meets strict environmental regulations for safe use in various applications.
- Coarse UNC threads enable quick installation and are less prone to clogging in dirty conditions.
Professional Applications & Engineering Value
This 3/4"-10 UNC shoulder screw is engineered to address critical alignment and rotational control challenges in machinery and equipment. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for demanding environments like food processing, chemical plants, and outdoor applications. The hex socket head with knurled texture ensures secure tool engagement, reducing the risk of stripping and improving installation efficiency. With a 2 3/4" shoulder length and precise Class 2A thread fit, it offers accurate positioning for rotating parts, bushings, and linkages, minimizing wear and maintaining operational stability. This fastener is ideal for industrial applications requiring high strength, durability, and compliance with environmental standards.
Specification Summary & Compliance
The screw features a Class 2A thread fit with UNC coarse threads for reliable engagement and assembly. It adheres to standard dimensional tolerances, including shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufactured from 18-8 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
