S-92655A637 5/8"-11 x 5" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 75,000 PSI ensures reliable performance under heavy loads and vibration
- Rockwell B100 hardness provides superior durability and resistance to wear over time
- Class 2A thread fit offers consistent assembly with standard nuts while preventing cross-threading
- External hex drive design allows for high-torque installation with common tools and easy maintenance access
- Partially threaded shank provides optimal grip length for secure clamping in structural applications
- ASTM A193 Grade B8 certification guarantees material quality and compliance with industrial standards
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 5/8"-11 UNC hex head screws deliver critical performance where fastener failure is not an option. The 18-8 stainless steel composition provides excellent resistance to corrosion and chemical exposure, making them ideal for petrochemical, marine, and food processing equipment. With coarse UNC threading and partial threading design, they maintain secure connections in vibrating machinery while the external hex drive enables quick installation and removal with standard wrenches. The ASTM A193 Grade B8 certification ensures consistent material properties for pressure vessel applications and structural assemblies requiring verified mechanical performance.
Specification Summary & Compliance
These hex head screws feature 5/8"-11 UNC coarse threads with Class 2A thread fit for standard tolerance applications. Manufactured to ASTM A193 Grade B8 specifications with 75,000 PSI tensile strength and Rockwell B100 hardness. The inch system measurements include 5" length with 3½" grip length and 1½" threaded portion. Complies with industry standards for material composition and mechanical properties.
