MPCNC clamp
Free     Thingiverse     AdamDam

MPCNC clamp

First stage was clamp for an M4 bolt Added a clamp for an M6 I suggest big flange washer For the adjust bolt you need an M8 nut bolt ...

similar models —

MPCNC clamp alternatives
CNC clamp
NitzscheModellbau
MPCNC Stand
Jeffeb3
MPCNC JTech Laser and Fan Mount
Old_English_Workshop