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The VALUE COLLECTION -34697-1 is an alloy steel flange bolt with a 3/8-16 UNC thread and 1 inch length under head. The integrated flange distributes clamping load without a separate washer, reducing assembly steps in structural and mechanical fastening applications. The 12-point drive accepts a standard 12-point socket or bit for high-torque installation in tight quarters. Finished plain with no coating, these bolts are suited for indoor assemblies, protected enclosures, or applications where a secondary finish will be applied. Manufactured to ASME B18.3 dimensional standards, each bolt delivers consistent thread form and head geometry for reliable fitment.
These flange bolts are used across mechanical, HVAC, plumbing, and general industrial assembly work wherever a 3/8-16 UNC threaded connection is required with built-in flange bearing surface. Typical applications include equipment mounting, bracket fastening, panel assembly, and machinery maintenance. The 1 inch length under head suits shallow-clearance joints and thin-stock assemblies. Sold in a 10-piece pack, making them practical for stocking service vehicles or shop bins where single-size quantities are needed for routine maintenance tasks.
Designed for use in any application requiring a 3/8-16 UNC inch-series flange bolt to ASME B18.3 standards.
Installation is typically performed by mechanics, millwrights, HVAC technicians, or plumbers using a 12-point socket or drive bit. De-energize or depressurize the assembly before disassembling any fastened joint. Do not exceed the rated mechanical load for the base material being fastened. Plain-finish alloy steel fasteners are not intended for outdoor or corrosive environments without additional protection.
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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