TD13 120-Degree Grade 12.9 hardened Carbon Steel Screw set for Schumacher Mi9

These screw sets are designed for use with a 1.2mm steel chassis, featuring precision-molded carbon steel screws with a 12.9 strength rating.

• The screws are designed to sit flush without protrusion, preventing plate deformation.
• The recommended tightening torque is 0.8 N·m for longer service life and better resistance to frequent assembly and disassembly.
• The depth of the screwdriver engagement ensures secure tightening, reducing the chance of stripping.