... generally made from EN 353 case Hardening Steel and Gears are generally made from SAE 8620 Case Hardening Steel. Other metals like ... 8" In Mild Steel, Stainless Steel, Alloy Steel, Hardened and Tempered Steels, Case Hardened Steels, Cast Iron, or other materials like Hylam ... Custom made as per Specifications, Drawing or Sample Worm Gears are available on very tight delivery schedules, some Worm ...