B7 Bolt-Up Kits provide a complete, ready-to-use fastener solution for flange assembly and maintenance in high-pressure, high-temperature applications. Each kit includes ASTM A193 Grade B7 studs, ASTM A194 Grade 2H nuts, and optional ASTM F436 hardened washers — precision-matched for reliable, consistent performance.

Manufactured from heat-treated alloy steel, these components deliver exceptional strength, durability, and corrosion resistance, making them ideal for refineries, power plants, chemical processing, and industrial piping systems.

Key Features:

• Meets ASTM A193 Grade B7, A194 Grade 2H, and F436 specifications
• Includes stud bolts, nuts, and optional washers for complete flange bolting
• Available in zinc-plated or black oxide finishes
• Designed for high-pressure and high-temperature service
• Packaged for convenience and fast installation