S-8077A113 3/4"-10 ASME B18.3 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
- Precise alignment and smooth rotation enabled by the precision-ground shoulder with controlled diameter and length tolerances.
- High-strength, wear-resistant threads with Class 3A UNC coarse threading for secure fastening and durability.
- Enhanced grip and tool engagement from the knurled socket head and 1/2" hex drive, preventing slippage during installation.
- Improved corrosion and abrasion resistance from the black oxide finish, adding an extra layer of protection.
- Guaranteed quality and safety through compliance with ASME B18.3, RoHS 3, and REACH standards.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in demanding industrial settings. Its corrosion-resistant material and black oxide finish provide long-term reliability in moist or chemically aggressive environments, reducing maintenance and replacement costs. The precision UNC coarse thread and Class 3A fit ensure consistent, vibration-resistant fastening, while the accurately machined shoulder offers stable bearing surfaces for pivoting parts, gears, and linkages in machinery. With a high tensile strength of 70,000 psi and robust shear strength, it supports heavy-duty applications in automotive, aerospace, and manufacturing equipment, ensuring operational integrity and minimizing downtime.
Specification Summary & Compliance
This shoulder screw features a 3/4"-10 UNC thread with a Class 3A fit for high precision and strength. The shoulder diameter is 1" with a tolerance of -0.004" to -0.002", and the shoulder length is 3" with a tolerance of -0.005" to 0.005", ensuring exact dimensional accuracy. It is manufactured in compliance with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming its safety and regulatory adherence for global industrial use.
