Professional Factory Customizes Various Models and Numbers of Mechanical Sprockets. Wide Material Selection: Carbon steel, stainless steel, aluminum, nylon, POM, copper, brass, 42CrMo, 40Cr, A3, etc. Customized Support: OEM and ODM services available for various models and numbers. Diverse Surface Treatments: Galvanizing, chrome plating, blackening, painting, mirror finish, sandblasting, etc. Multiple Hole Types: Pre-drilled holes, precision machined holes, tapered holes, bearing holes, special holes. Standard Compliance: Available in ANSI, DIN, ISO, and non-standard specifications. Fast Sample Delivery: 3 days for general elements; sample fee refundable upon order. Flexible Payment Terms: 100% advance for small orders; 50% deposit for large orders. Global Shipping Options: EXW, FOB, CIF, CFR, FCA, CPT, CIP, DAP, DDP terms accepted.