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The VALUE COLLECTION 643542PS is a metric hex head cap screw designed for general-purpose fastening applications requiring precise thread engagement and reliable clamping force. Manufactured from Grade 8.8 steel with a bright uncoated finish, this screw measures M4 x 0.70 mm thread pitch with a 16 mm length under head and a 7 mm hex drive. Fully threaded per DIN 933 and ISO 4017 standards, it delivers consistent dimensional accuracy across production and maintenance installations. This fastener weighs approximately 0.1 pounds per unit and is suited for use by machinists, millwrights, maintenance technicians, and equipment assemblers working in metric environments.
This cap screw is used in light-duty to medium-duty mechanical assemblies where metric fasteners are specified. Typical applications include equipment panels, machine guards, fixture mounting, and component assembly in industrial, HVAC, and general manufacturing settings. The M4 thread size and 16 mm body length make it a common choice for thin-section assemblies and precision hardware installations. It conforms to DIN 933 and ISO 4017, making it interchangeable with standard metric hex cap screw specifications wherever those standards are called out on engineering drawings.
Designed as a standard metric hex head cap screw conforming to DIN 933 and ISO 4017 specifications, suitable for any application calling out an M4 x 0.70 x 16 mm fully threaded hex cap screw in Grade 8.8 steel.
Installation is performed by hand using a 7 mm open-end, box, or socket wrench. Verify thread engagement and mating material compatibility before final tightening. Do not mix with inch-series hardware or substitute for higher-grade fastener requirements without confirming load ratings against application specifications. Minimum order quantity for this item is 100 pieces.
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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