worm shaft 1.quality first 2.customer satisfaction,good service 3.reliable reputation 4.prompt delivery worm shaft1.small parts widely used in sorts of transmission system 2.material and precision as per requirements 3.OEM service available Product: Feathures:1. Material: Alloy Steel, Carbon Steel, Stainless Steel, Hardended & Tempered Steel, Cast Iron, Aluminum, Copper, Brass and so on2. Heat ...