Value Collection 11272CH2 Hex Head Cap Screw 1-1/8-7

Product Description

The VALUE COLLECTION 11272CH2 is a partially threaded hex head cap screw designed for heavy-duty mechanical and structural fastening applications. Manufactured from Grade 2 steel with a zinc-plated finish, this fastener measures 1-1/8-7 thread size with a 4-1/2 inch length under head. The UNC thread standard ensures broad compatibility with standard tapped holes and nuts. The zinc plating provides basic corrosion resistance suitable for indoor and light outdoor environments. At 1.61 pounds, this is a substantial fastener suited for demanding assembly work where a reliable coarse-thread grip is required. Plumbers, pipefitters, HVAC technicians, and general mechanical contractors routinely use fasteners of this type in equipment mounting and structural connections.

This cap screw is appropriate for use in mechanical assemblies, equipment frames, structural steel connections, and industrial maintenance applications where a large-diameter coarse-thread hex fastener is specified. The partial threading allows the unthreaded shank to bear shear loads and align mating components before the threads engage. It is a standard inch-system fastener conforming to ASME B18.2.1 and SAE J429, making it straightforward to source matching hardware at the job site or supply house.

Key Features

• 1-1/8-7 UNC coarse thread for strong clamping force in standard tapped holes
• 4-1/2 inch length under head with partial threading — unthreaded shank handles shear loads
• Grade 2 steel construction meets SAE J429 mechanical property requirements
• Zinc-plated finish provides corrosion resistance for general-purpose service environments
• Conforms to ASME B18.2.1 dimensional standard for consistent fit with standard tooling

Compatibility

Designed for use in any application requiring a 1-1/8-7 UNC hex head cap screw conforming to ASME B18.2.1 and SAE J429 standards. Mates with standard 1-1/8-7 UNC nuts, washers, and tapped holes machined to Unified National Coarse thread specifications.

Installation Notes

Installation requires an appropriate hex socket or open-end wrench sized for a 1-1/8 inch hex head. Shut down and de-energize any equipment before fastener service. Apply fastener torque in accordance with the equipment manufacturer's specifications or applicable industry torque tables for Grade 2 fasteners — do not exceed the rated proof load for the grade. Inspect threads and mating surfaces for damage before assembly.