ANSI chains follow the American standard (inch-based pitch) and are common in North America. DIN/ISO chains use metric pitch and follow European standards. They are not interchangeable — sprockets must match the chain standard. Boyka Chain manufactures both series.

Yes. We supply SS304 and SS316 stainless steel roller chains for food processing, pharmaceutical, and corrosive environment applications. Please mention your requirement when enquiring.

Yes. We supply spring clip connecting links, cotter pin connecting links, and offset (half) links for all chain sizes in both ANSI and DIN series. These can be ordered together with your chain requirement.

There is no fixed minimum order quantity for standard sizes. We can supply from 1 metre to full bulk reels. For custom or non-standard sizes, minimum quantities may apply — please contact us for details.

Standard sizes are usually dispatched within 2–5 working days. Custom or large-quantity orders typically take 7–15 working days depending on the specification and quantity. We ship pan-India via courier and transport services.

Yes. Our self-lubricating roller chains use sintered bushings impregnated with oil, providing internal lubrication without the need for external oiling. Ideal for applications where regular lubrication is difficult.