厂家直销圆兴XYC刃倾角丝锥TIN-POT先端丝攻M2M4M5M16粉末高速钢
圆兴XYC挤压丝锥YC-C50涂层M1M16丝攻机用6H粉末高速钢加工铝件铜
圆兴XYC镀钛螺旋丝锥丝攻SFT M12M3M4M5M6-M16盲孔机用粉末高速钢