Socket Allen Countersunk Screws Grade 10.9 | Duchy Fasteners

Designed for demanding engineering, construction, and mechanical applications, these high-strength socket countersunk machine screws deliver a clean, flush finish while providing dependable clamping force under heavy loads. The countersunk head seats neatly into a matching chamfer for a smooth surface profile—ideal where clearance, safety, or a professional finish matters.

Manufactured to DIN 7991 and made to property class 10.9, these metric socket screws offer excellent durability and load-bearing performance for industrial use. Precision engineering supports consistent fitment, reliable fastening, and long-term service in high-stress assemblies.

Head style: Socket countersunk for a flush-mounted finish
Drive type: Internal hex (Allen) for secure, high-torque installation
Strength grade: 10.9 for robust performance in demanding applications
Standard: DIN 7991 metric socket countersunk screws
Applications: Machinery, fabrication, structural assemblies, and general industrial fastening

Select the required metric thread and length variant to match your project specifications.

Fast courier delivery £7.95

FREE DELIVERY ON ORDERS OVER £75

Collect this or any of our fasteners or tools at our store in Redruth, Cornwall