Crummenerl GmbH

Crummenerl GmbH is a family-run manufacturer of fastening and joining components located in Plettenberg, Germany, established in 1955. Its product range covers keyways, groove stones, disc springs, wedges and precision milled parts produced to customer drawings on a contract basis. Keyway production follows DIN 6885, while wedges and springs are made to DIN 6888, DIN 28134, DIN 6883, DIN 6887, DIN 6881, DIN 268 and DIN 6886. The firm has expanded its CNC machining of complex components with special mechanical properties. Quality management is certified to DIN EN ISO 9001:2015 and ISO/TS 22163:2017 (IRIS). The company employs 20 to 49 staff.