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The HOLO-KROME 72334 is a hex socket cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. It features a 3/4-10 UNC thread size with a 7-inch length under the head and is partially threaded for proper clamping force in bolted joints. The 5/8-inch hex drive accepts a standard hex key or Allen wrench. Manufactured from alloy steel with a black oxide finish, this fastener delivers the tensile strength required for demanding service environments where vibration, shear load, or torque resistance is critical.
This screw is suited for use in heavy-duty machinery, industrial equipment, and fabricated steel assemblies where a recessed socket drive is preferred over a hex head. The black oxide coating provides mild corrosion resistance and reduces light reflection in precision or tooling applications. Installation is typically performed by machinists, millwrights, or mechanical contractors working on equipment assembly, repair, or maintenance. The 3/4-10 UNC coarse thread engages quickly and holds reliably in ferrous and non-ferrous tapped holes.
Designed as an OEM-style replacement or direct-use fastener for industrial machinery, fabricated assemblies, and structural components requiring a 3/4-10 UNC hex socket cap screw conforming to ASME B18.3 and ASTM A574 specifications.
Installation is performed by qualified machinists, millwrights, or mechanical technicians using a properly sized 5/8-inch hex key or allen driver. De-energize and lock out equipment before fastener removal or installation per applicable OSHA lockout/tagout procedures. Verify that the mating tapped hole is clean, undamaged, and thread-gauged to 3/4-10 UNC before driving. Apply thread lubricant or anti-seize compound as required by the equipment manufacturer's service documentation.
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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