Resources
Primers![MPTA-C6m-2014 cover cover image of MPTA Primer on metric bores and keyways in couplings](https://i0.wp.com/mpta.org/wp-content/uploads/2024/04/MPTA-C6m-2014-cover-1.jpg?resize=791%2C1024&ssl=1)
MPTA C6m – Frequently Asked Questions On Metric Bores and Keyways in Couplings (MPTA-C6m-2014)
This primer is intended for individuals who need additional information on the fundamentals of the metric bore and keyway system. It presents answers to common questions related to a coupling’s bore and keyway.