Value Collection TCI41000400 Tension Control Bolt A490

Product Description

The VALUE COLLECTION TCI41000400 is a heavy-structural tension control bolt designed for high-strength steel-to-steel connections in structural fabrication and erection applications. Manufactured to ASTM A490 and ASTM F2280 standards, this bolt features a 1-8 UNC thread form, a 4-inch length under head, and a 1-7/8-inch head diameter. It is supplied uncoated (bright finish) and arrives as a complete assembly that includes a mating nut and washer. Licensed ironworkers and structural steel erectors install these fasteners using TC wrench tooling rated for A490-grade assemblies. Each package contains 5 complete bolt assemblies.

Tension control bolts in the A490 grade are specified for high-load structural steel connections in commercial construction, industrial facilities, and infrastructure projects. The splined shear-end design allows installation from a single side of the joint, which is particularly useful in beam-to-column, beam-to-beam, and splice plate connections where two-sided access is limited. This part is intended for inch-measurement structural applications using standard UNC threading.

Key Features

• ASTM A490 and ASTM F2280 certified for high-strength structural bolt applications
• 1-8 UNC thread standard for inch-measurement structural steel work
• 4-inch length under head accommodates multi-ply structural connections
• Splined tension control design allows single-side installation with TC wrench tooling
• Includes matching nut and washer for complete joint assembly
• Bright uncoated finish suitable for painted or primed steel applications

Compatibility

Designed as an OEM-style structural fastener for inch-series high-strength bolted connections conforming to ASTM A490 and ASTM F2280 specifications.

Installation Notes

Installation must be performed by qualified ironworkers or structural steel erectors following AISC and RCSC bolt installation specifications. Use a TC wrench matched to A490 splined tension control assemblies; do not substitute an impact wrench rated below the required shank torque class. Inspect faying surfaces and joint plies for compliance before snug-tightening. Do not reuse A490 tension control assemblies once the splined end has sheared during initial installation.