高精度钨钢衬套 (D2级)

Material: Premium D2 Carbide / Tungsten Steel

Hardness: Reaching HRA 90 for exceptional wear and deformation resistance

Surface Finish: Natural (Non-coated)

Core Crafts: High-precision cylindrical grinding and flawless mirror polishing

Key Feature: Engineered with ultra-hard carbide to deliver micron-level dimensional accuracy and minimum surface friction for extreme service life.