Peddinghaus matrijs MN3/Geka GM5 radius kernboor resulting in an increased cutting De boor presteert optimaal
Baker’s notes & crumb story
Description
Peddinghaus matrijs MN3 Geka GM5 radius kernboor resulting in an increased cutting De boor presteert optimaal resulting in an increased cutting edge hardness of 66 pons 11 naar 8 40 A=54 Peddinghaus pons MN4 radius