1.ISO/TS 16949. 2.ASTM,BS,JIS,DIN. 3.Hardness:46-52 HRC. 4. ... -resistant, Corrosion-resistant, etc. 1. Abundant experience in casting production.2. High-standard technology team.3. Standard: ASTM, BS, JIS,DIN ... 4.2ROCK CHISEL TOOTH205- 70- 19570RC 5.4205- 70- 19570RC-2 6.2PC200RC3 5.5PC200RC4 (Big Holes) 5SK TOOTH939- 7120 (35mm ...