Value Collection 532111PR M8x1.25 Hex Socket Cap Screw 150mm

Product Description

The VALUE COLLECTION 532111PR is a metric hex socket cap screw engineered for high-stress mechanical assemblies requiring precise torque retention and a clean, low-profile fastener head. It features an M8 x 1.25 thread profile with a length under head of 150 mm (approximately 5.9 inches) and is manufactured from alloy steel to material grade 12.9 — the highest standard strength class for metric cap screws. A black oxide finish provides moderate corrosion resistance and reduces light reflection in finished assemblies. This fastener is partially threaded, which is standard practice for applications where the unthreaded shank must carry shear loads. Installers in mechanical, structural, and industrial maintenance trades will recognize this as a workhorse fastener for precision assemblies.

This screw is suited for use in industrial machinery, tooling fixtures, structural brackets, hydraulic component mounting, and similar applications where high clamping force and dimensional accuracy are required. The M8 x 1.25 thread size is widely used across European-standard and metric-dimensioned equipment. The 150 mm length under head accommodates thick-stock or stacked-component clamping situations. Sold individually with a minimum order quantity of 5 pieces.

Key Features

• Material grade 12.9 alloy steel — high tensile and yield strength for critical fastening applications
• M8 x 1.25 thread size, partially threaded for shear-load carrying in the unthreaded shank section
• 150 mm length under head for thick-section or stacked-component installations
• Black oxide coating provides mild corrosion resistance and a clean, non-reflective appearance
• Meets DIN 912 and ISO 898-1 fastener standards for dimensional and mechanical compliance
• Hex socket (Allen) drive for high-torque installation in confined spaces

Compatibility

Designed as a DIN 912 and ISO 898-1 compliant metric hex socket cap screw suitable for M8 x 1.25 threaded bores in industrial machinery, tooling, and structural assemblies requiring grade 12.9 alloy steel fasteners.

Installation Notes

Installation requires a correctly sized hex key or Allen socket driver rated for high-torque use. Verify that the receiving threaded bore is clean, undamaged, and cut to M8 x 1.25 specification before driving. Always follow equipment manufacturer torque specifications for grade 12.9 fasteners. Power down and de-energize any equipment before replacing fasteners in live mechanical or electrical assemblies.