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The VALUE COLLECTION 643159PS is a metric hex head cap screw designed for general mechanical fastening applications. Manufactured from Grade 8.8 steel with a bright uncoated finish, this fully threaded fastener conforms to DIN 933 and ISO 4017 standards. The M16 x 2.00 thread size and 45 mm length under head make it a standard choice for medium-to-heavy structural and machine assembly work. The 24 mm hex drive allows use with standard metric wrenches and sockets. This fastener is installed by millwrights, maintenance mechanics, and industrial technicians across a wide range of equipment and structural assemblies.
This screw is suited for use in industrial equipment assembly, machinery maintenance, structural steel connections, and fabrication applications where metric fasteners are specified. Full threading along the 45 mm shank length provides maximum thread engagement across a range of clamping thicknesses. Applications calling for DIN 933 or ISO 4017 compliance will accept this fastener directly.
Designed as a standard metric replacement or new-installation fastener conforming to DIN 933 and ISO 4017 specifications for M16 x 2.00 fully threaded hex head cap screws.
Installation is performed by mechanical technicians, millwrights, or maintenance personnel using a metric socket or open-end wrench sized at 24 mm. Always ensure mating threads are clean and free of debris before installation. Do not exceed torque values specified by the equipment manufacturer or applicable engineering standards for Grade 8.8 M16 fasteners. Uncoated fasteners should be protected from corrosive environments or coated after installation if outdoor or wet-service exposure is anticipated.
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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