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The VALUE COLLECTION 97219 is a partially threaded hex head cap screw sized at 1-8 (1 inch diameter, 8 threads per inch) with a 3.5-inch length under head. It is manufactured from Grade 5 steel with an uncoated finish and conforms to ASME B18.2.1 dimensional standards. The Unified National Coarse (UNC) thread form makes it a common choice for general-purpose structural and mechanical fastening applications across industrial, construction, and maintenance environments. This screw is installed by mechanics, millwrights, pipefitters, and general contractors wherever a reliable medium-strength hex fastener is required.
This fastener is suited for use in structural assemblies, equipment mounting, machinery frames, and heavy-duty mechanical connections where partial threading is specified to allow clamping force across unthreaded shank sections. The 1-8 UNC thread size is one of the most widely used coarse-thread specifications in inch-standard fastener applications. Sold in a package quantity of 25, this screw is appropriate for both single-job use and small-batch maintenance stock.
Designed for use with standard 1-8 UNC inch-series nuts, washers, and tapped holes conforming to ASME and ANSI inch fastener standards.
Installation is performed using a standard hex wrench or impact driver with the appropriate socket size. Ensure mating threads and tapped holes are clean and free of debris before driving. Apply torque in accordance with applicable Grade 5 fastener torque tables for the 1-8 thread size. Do not exceed rated torque values for Grade 5 material to avoid thread stripping or fastener failure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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