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The VALUE COLLECTION 644509PS is a metric hex head cap screw designed for general industrial and mechanical fastening applications. It features a partially threaded shank in accordance with DIN 931 and ISO 4014 standards, making it suitable for bolted connections where a smooth shank section is required for shear load transfer or precise fit. Manufactured from Grade 8.8 steel with a bright, uncoated finish, this screw delivers the tensile strength expected of medium-high strength metric fasteners. The 13 mm hex drive allows installation with standard metric wrenches or sockets. It is a commonly specified fastener in machinery assembly, structural steel work, and equipment maintenance.
This fastener is used across a wide range of trade and industrial settings including HVAC equipment assembly, plumbing and piping support structures, electrical enclosure mounting, and general mechanical maintenance. The M8 x 1.25 thread pitch and 100 mm length under head make it well suited for applications requiring reach through moderate material thickness with a partially threaded grip. Technicians, millwrights, and maintenance professionals working with metric-specification equipment will find this a standard replacement or assembly fastener.
Designed as a standard metric replacement or assembly fastener for any application specifying an M8 x 1.25 x 100 mm partially threaded hex head cap screw per DIN 931 or ISO 4014.
Installation should be performed by qualified technicians using calibrated torque wrenches appropriate for Grade 8.8 M8 fasteners. Always verify thread engagement depth and mating material before final torque. Do not use impact tools at full power without a torque-limiting socket to avoid overloading the fastener. Ensure mating threads are clean and free of debris before assembly.
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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