The 60 Pieces 4 Inch / 100mm velcro backer’s arbor is 5/8-11 female thread (NOT M14). They are all with water feed hole. Remind: Velcro Backer’s max capacity / velocity is 5000RPM, please don’t use it with high speed grinder/polisher.
Concrete floor grinder 60-Pack 4 Backer Pad Hook & Loop Backing Plate polisher
The 60 Pieces 4 Inch / 100mm velcro backer’s arbor is 5/8-11 female thread (NOT M14). They are all with water feed hole. Remind: Velcro Backer’s max capacity / velocity is 5000RPM, please don’t use it with high speed grinder/polisher.