Ecofirm — Professional Abrasives
Aluminum Adapter Backer Pad
Hook & loop aluminum backer · 5/8"-11 arbor · Available in 5" and 7" · For use with EcoFirm honeycomb sanding pads.
This backer pad connects your angle grinder to your honeycomb sanding pads via a standard 5/8"-11 arbor — the most common thread size on angle grinders. The hook and loop surface allows pads to be swapped in seconds without tools — change grits mid-job in one motion.
Specifications
Arbor
5/8"-11
Standard angle grinder thread
Attachment
Hook & loop
Tool-free pad swap
Material
Aluminum
Lightweight & durable
5" size
5"
For 5" honeycomb pads
7" size
7"
For 7" honeycomb pads
Compatible
EcoFirm
Honeycomb pads 50–800 grit
Key Features
Hook & loop attachment
Swap pads in seconds without tools — press on to attach, peel off to remove. Change grits mid-job instantly.
5/8"-11 arbor thread
Standard thread size compatible with most 5" and 7" angle grinders — no adapters or special tools needed.
Aluminum construction
Lightweight aluminum keeps the overall tool weight low — reduces arm fatigue on extended grinding sessions.
EcoFirm system compatible
Designed specifically for use with EcoFirm 5" and 7" honeycomb sanding pads (50–800 grit).
Compatible With
EcoFirm 5" Honeycomb Pads
EcoFirm 7" Honeycomb Pads
Any 5/8"-11 threaded tool
Match the backer pad size to your honeycomb pad size — 5" backer for 5" pads, 7" backer for 7" pads. The hook and loop surface wears over time with heavy use — replace the backer when pads no longer hold firmly in place.