Value Collection 533124PR Set Screw M8 X 1.25

Product Description

The VALUE COLLECTION 533124PR is an M8 x 1.25 x 50 mm cup point set screw manufactured from alloy steel to Grade 14.9 (45H). Set screws are fully threaded fasteners with no head, designed to secure a component — such as a gear, pulley, or collar — against a shaft by applying direct clamping force through the point. The cup point geometry bites into the mating surface to resist rotation and axial movement. This screw is driven with a 4 mm hex key and conforms to DIN 916, the international standard governing dimensions and mechanical requirements for socket set screws with cup points.

This fastener is used wherever a headless, flush-mount clamping solution is required in mechanical assemblies. Common applications include shaft collars, shaft couplings, conveyor components, and rotating drive assemblies across industrial, MRO, and OEM manufacturing environments. Machinists, millwrights, and maintenance technicians are the typical installers. The metric thread standard and DIN 916 conformance make this screw appropriate for equipment designed to metric specifications. This item is sold individually but requires a minimum order quantity of 10 units.

Key Features

• M8 x 1.25 metric thread with 50 mm overall length for deep engagement in shaft or housing applications
• Cup point geometry provides positive bite into mating shaft surface to resist loosening under vibration
• Alloy steel construction at Grade 14.9 (45H) delivers high tensile and proof load capacity
• 4 mm hex key drive (DIN 916) for use with standard metric hex wrenches and T-handle drivers
• Fully threaded, headless design allows flush or sub-flush installation in tapped holes
• Conforms to DIN 916 dimensional and mechanical standards

Compatibility

Designed as a standard DIN 916 metric cup point set screw for use in any M8 x 1.25 tapped hole requiring a headless fastener with cup point engagement.

Installation Notes

Installation is performed by machinists, millwrights, or maintenance technicians using a 4 mm hex key or Allen driver. Ensure the tapped hole is clean and free of debris before driving the screw. Engage the cup point carefully to avoid cross-threading, and verify the point seats fully against the shaft or mating surface before applying final torque. Power down and de-energize rotating equipment completely before servicing any shaft assembly containing set screws.