Guwanji GWJ-202 12.9 Grade Torx Countersunk CNC Screws

High-strength carbon steel Torx countersunk screws (GWJ-202 series) with a 12.9 performance grade and blackened surface treatment. Designed for CNC tool holders, milling cutter blades, and other tooling applications, meeting national standards for durability and precision.

type: Plum head countersunk screw Material: High Strength Carbon Steel Surface treatment: Black Performance level: 12.9 Implementation Standards: National Standard Nominal diameter: 2mm Nominal length: 4mm