S-8077A877 3/4"-10 ASME B18.3 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
- Superior corrosion resistance with 316 stainless steel construction and black oxide finish, ideal for harsh industrial environments
- Exceptional load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Precise thread engagement with Class 3A thread fit ensuring reliable fastening and vibration resistance
- Easy installation and removal with 1/2" hex drive socket head and knurled texture for improved grip
- Accurate component alignment with 2 1/2" shoulder length and tight diameter tolerance for consistent positioning
- Durable coarse UNC threading providing quick assembly and reduced cross-threading risks in heavy-duty use
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and safety
Professional Applications & Engineering Value
This 3/4"-10 UNC shoulder screw delivers critical engineering value in precision machinery, automation systems, and heavy equipment where alignment and strength are paramount. The 316 stainless steel material with black oxide finish provides excellent corrosion resistance in moist or chemical-exposed environments, extending service life. The Class 3A thread fit ensures tight tolerances for vibration-resistant assemblies, while the 2 1/2" shoulder length offers stable bearing surfaces for rotating components like gears and pulleys. Its 70,000 psi tensile strength handles high-stress applications in manufacturing, automotive, and aerospace sectors, reducing maintenance needs and downtime.
Specification Summary & Compliance
This shoulder screw features 3/4"-10 UNC coarse threading with Class 3A thread fit for precision engagement. Shoulder diameter maintains -0.004" to -0.002" tolerance with shoulder length tolerance of -0.005" to 0.005". Manufactured to ASME B18.3 specifications, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental and safety standards are met for industrial use.
