Chain wheels and discs are predominant product lines of A4M. We present a complete range of products in accordance with the current standards of ISO 9001, DIN 8187; DIN 8188; ISO / R 606 and ANSI B 29.1
Most widely used are chain wheels and discs with scale varying from 06B to 32B. We supply as well:

• Products with hard point teeth
• Products for Taper bush
• Products in BEA system „preprepared” with finished bore and fixing screws
• Products with bearing
• Cast iron products