Kim đục lỗ có độ chính xác cao (SKH51 / YXM1)

Vật liệu: Premium SKH51 / YXM1 High-Speed Steel

độ cứng: Heat-treated to HRC 60–62 for exceptional wear resistance

Hoàn thiện bề mặt: Tự nhiên (Non-coated)

Core Craft: High-precision cylindrical grinding

Key Feature: Engineered for micron-level tolerance, superior toughness, and extended service life in demanding stamping environments.