... hardness, abrasion resistance, corrosion-resistant. Strong toughness.. Mould Component Material: any appointed material is welcome. Hardness: HRC58°~60 Tolerance: +/- ... , bushing with shoulder, straight guide bushing,punches.Your drawing about standard size and custom size are available.Feel free to contact ... ,Guancang Village, Zhangmutou Town, Dongguan City, Guangdong Province, China Mould Component