Value Collection R52000993 Hex Cap Screw 1-1/8-7 X 5-1/2 in Grade 2

Product Description

The VALUE COLLECTION R52000993 is a partially threaded hex head cap screw designed for general-purpose fastening applications in mechanical, structural, and industrial assemblies. It features a 1-1/8-7 UNC thread size with a 5-1/2 inch length under head, manufactured from Grade 2 steel with a zinc-plated finish for basic corrosion resistance. Conforming to ASME B18.2.1 and SAE J429 standards, this fastener is suited for maintenance, repair, and light fabrication work where a cost-effective hex cap screw is required. Licensed trades and industrial mechanics rely on this size class for equipment frames, flanges, and structural connections.

This hex head cap screw is used in a wide range of residential, commercial, and light industrial settings. Common applications include equipment mounting, steel fabrication, mechanical assemblies, and general repair work requiring a large-diameter UNC fastener. The partial threading allows for bearing-surface grip along the unthreaded shank, which is useful in applications where shear load or close-tolerance fit between mating parts is a factor.

Key Features

• 1-1/8-7 UNC thread size for compatibility with standard inch-system tapped holes and nuts
• 5-1/2 inch length under head with partial threading for combined shank grip and thread engagement
• Grade 2 steel construction meets SAE J429 mechanical property requirements
• Zinc-plated finish provides basic corrosion protection in dry and mildly humid environments
• Conforms to ASME B18.2.1 dimensional standards for hex head cap screws
• Sold individually, no minimum order quantity beyond one piece

Compatibility

Designed as a standard inch-system hex head cap screw for use with 1-1/8-7 UNC tapped holes and matching hex nuts in general mechanical and structural assemblies.

Installation Notes

Installation should be performed by a qualified mechanic or tradesperson using an appropriate hex wrench or impact tool sized for the 1-1/8 inch hex head. Follow torque specifications defined by the joint design engineer or applicable standards for Grade 2 fasteners, as no torque value is specified in the product data. Always ensure mating threads are clean, undamaged, and properly aligned before driving. Do not use this fastener in applications requiring Grade 5 or Grade 8 strength classifications.